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1.
Anticancer Res ; 41(9): 4411-4416, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-34475062

RESUMO

BACKGROUND/AIM: Detection of hepatocellular carcinoma using intraoperative ultrasonography (IOUS) is indispensable for successful laparoscopic hepatectomy (LH). This study was performed to evaluate patients with intraoperatively unidentified tumours undergoing LH. PATIENTS AND METHODS: Seven patients who underwent LH for hepatocellular carcinoma and whose tumours were not detected using IOUS were included in this study. Clinical features, preoperative imaging, intraoperative imaging, surgical procedures, and pathological findings were evaluated. RESULTS: Using gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging, all the tumours were enhanced in the arterial phase and rapidly washed out, becoming hypointense to the remainder of the liver. All tumours except one were <2 cm in size. Severe liver fibrosis was observed in all cases. Tumours that were invisible on preoperative ultrasonography also could not be detected using IOUS or indocyanine green fluorescence imaging. Five patients underwent hepatectomy based on anatomical landmarks and achieved curative resection, whereas curative resection failed in two patients. CONCLUSION: When tumours cannot be identified by IOUS, LH based on anatomical landmarks should be preferred. Importantly, invisible tumours on preoperative ultrasonography may not be identified intraoperatively during LH.


Assuntos
Carcinoma Hepatocelular/patologia , Carcinoma Hepatocelular/cirurgia , Cirrose Hepática/patologia , Cirrose Hepática/cirurgia , Neoplasias Hepáticas/patologia , Neoplasias Hepáticas/cirurgia , Idoso , Carcinoma Hepatocelular/diagnóstico por imagem , Feminino , Gadolínio DTPA/administração & dosagem , Hepatectomia , Humanos , Verde de Indocianina/administração & dosagem , Laparoscopia , Cirrose Hepática/diagnóstico por imagem , Neoplasias Hepáticas/diagnóstico por imagem , Imagem por Ressonância Magnética Intervencionista , Masculino , Pessoa de Meia-Idade , Carga Tumoral , Ultrassonografia de Intervenção
2.
Ann Surg Oncol ; 2021 Sep 06.
Artigo em Inglês | MEDLINE | ID: mdl-34490525

RESUMO

BACKGROUND: Nutritional status assessment is essential in cancer patients because a poor nutritional status has been associated with poor outcomes; however, the impact of rapid turnover proteins (RTPs), such as prealbumin, transferrin, and retinol-binding protein, on the outcomes of hepatocellular carcinoma (HCC) has not been well-investigated. We therefore examined the prognostic significance of RTPs in patients with HCC after curative resection. METHODS: This study included 150 patients who underwent elective hepatic resection for HCC between January 2011 and December 2018. The prealbumin, transferrin, and retinol-binding protein levels were classified into two groups (high vs. low); the RTP score (0-3) was calculated as the sum of each RTP measurement (high = 0; low = 1). We retrospectively investigated the relationship between the RTP score and disease-free and overall survival. RESULTS: Multivariate analysis showed that a high RTP score (P = 0.022), presence of sarcopenia (P = 0.001), and stage III or higher (P = 0.005) were independent predictors of disease-free survival, while a high RTP score (P < 0.001), presence of sarcopenia (P = 0.017), and stage III or higher (P = 0.012) were independent predictors of overall survival. In patients with high RTP scores, positive hepatitis B and C viral infection, high indocyanine green (ICG) at 15 min (ICGR15), Child-Pugh grade B, poorly differentiated carcinoma, and postoperative ascites were more common than in patients with low RTP scores. CONCLUSION: The preoperative RTP score may be a prognostic factor in patients with hepatocellular carcinoma after hepatic resection, suggesting an important role of RTP in the assessment of nutritional status in cancer patients.

3.
Trials ; 22(1): 633, 2021 Sep 16.
Artigo em Inglês | MEDLINE | ID: mdl-34530885

RESUMO

BACKGROUND: Radical antegrade modular pancreatosplenectomy (RAMPS) is an isolation procedure in pancreatosplenectomy for pancreatic body/tail cancer. Connective tissues around the bifurcation of the celiac axis are dissected, followed by median-to-left retroperitoneal dissection. This procedure has the potential to isolate blood and lymphatic flow to the area of the pancreatic body/tail and the spleen to be excised. This is achieved by division of the inflow artery, transection of the pancreas, and then division of the outflow vein in the early phases of surgery. In cases of pancreatic ductal adenocarcinoma (PDAC), the procedure has been shown to decrease intraoperative blood loss and increase R0 resection rate by complete clearance of the lymph nodes. This trial investigates whether the isolation procedure can prolong the survival of patients with pancreatic ductal adenocarcinoma who undergo distal pancreatosplenectomy (DPS) compared with those that undergo the conventional approach. METHODS/DESIGN: Patients with PDAC scheduled to undergo DPS are randomized before surgery to undergo either a conventional procedure (arm A) or to undergo the isolation procedure (arm B). In arm A, the pancreatic body, tail, and spleen are mobilized, followed by removal of the regional lymph nodes. The splenic vein is transected at the end of the procedure. The timing of division of the splenic artery (SA) is not restricted. In arm B, regional lymph nodes are dissected, then we transect the root of the SA, the pancreas, then the splenic vein. At the end of the procedure, the pancreatic body/tail and spleen are mobilized and removed. In total, 100 patients from multiple Japanese high-volume centers will be randomized. The primary endpoint is 2-year recurrence-free survival by intention-to-treat analysis. Secondary endpoints include intraoperative blood loss, R0 resection rate, and overall survival. DISCUSSION: If this trial shows that the isolation procedures can improve survival with a similar R0 rate and with a similar number of lymph node dissections to the conventional procedure, the isolation procedure is expected to become a standard procedure during DPS for PDAC. Conversely, if there were no significant differences in endpoints between the groups, it would demonstrate justification of either procedure from surgical and oncological points of view. TRIAL REGISTRATION: UMIN Clinical Trials Registry UMIN000041381 . Registered on 10 August 2020. ClinicalTrials.gov NCT04600063 . Registered on 22 October 2020.


Assuntos
Carcinoma Ductal Pancreático , Neoplasias Pancreáticas , Carcinoma Ductal Pancreático/cirurgia , Humanos , Excisão de Linfonodo , Pâncreas/cirurgia , Pancreatectomia , Neoplasias Pancreáticas/cirurgia , Ensaios Clínicos Controlados Aleatórios como Assunto
6.
Jpn J Clin Oncol ; 51(9): 1400-1406, 2021 Aug 30.
Artigo em Inglês | MEDLINE | ID: mdl-34142132

RESUMO

INTRODUCTION: The aim of this study is to investigate the relationship between preoperative serum transferrin level and long-term outcomes in patients with colorectal liver metastases after hepatic resection. METHODS: We retrospectively investigated 72 patients who underwent hepatic resection for colorectal liver metastases and explored the relationship between serum transferrin level and long-term outcomes. RESULTS: In multivariate analysis, H3 (odds ratio 3.43, 95% confidence interval 1.11-10.89 and P = 0.03) was an independent and significant predictor of the disease-free survival, and a transferrin level ≥ 190 mg/dl (odds ratio 0.20, 95% confidence interval 0.05-0.79 and P = 0.02) and the time to recurrence after hepatectomy <1 year (odds ratio 11.30, 95% confidence interval 2.63-48.59 and P < 0.01) were independent and significant predictors of the overall survival. CONCLUSIONS: The serum transferrin level is a useful predictor of poor overall survival in patients with colorectal liver metastases after hepatic reaction.

7.
Int J Clin Oncol ; 26(10): 1922-1928, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-34110531

RESUMO

BACKGROUND: Several kinds of systemic inflammatory response, classified into two types: C-reactive protein (CRP)-based type and blood cell count-based type, were reported as a prognostic indicator in patients with pancreatic cancer (PC). However, there is no consensus which types is more sensitive predictor in patients with PC. Therefore, we here developed a novel biomarker, C-NLR, which consists of both CRP and neutrophil-to-lymphocyte ratio (NLR), and we evaluated the prognostic significance of C-NLR in patients with PC after pancreatic resection. METHODS: A total of 217 patients was comprised in this study. We retrospectively investigated the relation between C-NLR and disease-free survival (DFS) and overall survival (OS) after pancreatic resection. RESULTS: Optimal cutoff level of C-NLR was defined as 0.206 by a ROC analysis. By multivariate analysis, age (P = 0.024), TNM stage (P < 0.001), and C-NLR (HR: 1.373, 95% CI: 1.005-1.874, P = 0.046) were independent predictors of DFS, whereas TNM stage (P = 0.016) and C-NLR (HR: 1.468, 95% CI: 1.042-2.067, P = 0.028) were independent predictors of OS. CONCLUSION: Preoperative C-NLR can be a prognostic indicator in patients with PC after pancreatic resection, suggesting the importance of both CRP and blood cell count in predicting therapeutic outcomes.


Assuntos
Proteína C-Reativa , Neoplasias Pancreáticas , Humanos , Linfócitos , Neutrófilos , Neoplasias Pancreáticas/cirurgia , Prognóstico , Estudos Retrospectivos
8.
Langenbecks Arch Surg ; 406(5): 1533-1541, 2021 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-34165596

RESUMO

PURPOSE: The aim of this retrospective study was to evaluate a revised classification system for predicting the difficulty of laparoscopic partial liver resection. METHODS: Patients who had undergone initial laparoscopic partial liver resection for a solitary lesion from January 2012 to February 2021were classified into two groups according to the type of procedure performed, "scooping-out" versus "cutting." The participants were then further divided into "small" and "large" subgroups according to the tumor's depth and diameter. Finally, they were categorized into two groups, namely "standard" and "advanced." Operative outcomes were compared between the two groups and the proposed revised system for classifying difficulty of laparoscopic partial liver resection compared with the existing scoring system. RESULTS: Of the 65 procedures assessed, 40 were categorized as standard and 25 as advanced. Tumor size (P < 0.001), operation time (P < 0.001), volume of intraoperative blood loss (P = 0.001), rate of the Pringle maneuver (P = 0.044), and resected liver weight (P < 0.001) were significantly greater in the advanced than in the standard group. Differences in operation time and intraoperative blood loss were not identified by the existing difficulty scoring system. CONCLUSION: The proposed revised classification is useful for predicting the difficulty of laparoscopic partial liver resection.


Assuntos
Laparoscopia , Neoplasias Hepáticas , Hepatectomia , Humanos , Neoplasias Hepáticas/cirurgia , Estudos Retrospectivos , Resultado do Tratamento
10.
Surg Today ; 51(11): 1881-1885, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-34013427

RESUMO

A hepatic cone-unit represents an anatomical unit dominated by a smaller Glissonean pedicle. Anatomical resection of a tumor located in an intersegmental plane is challenging, but could be achieved effectively by performing multiple cone-unit resection. We performed double cone-unit laparoscopic resection of hepatocellular carcinoma located on the intersegmental plane between segments 6a, b. The liver parenchyma covering the posterior Glissonean pedicle was divided along Rouviere's sulcus, the Glissonean branches of segments 6a, b were isolated and ligated, and indocyanine green (ICG) negative counterstaining was performed. The hepatic parenchyma was dissected along the demarcation line to identify the right hepatic vein and the double cone-unit resection was then completed with a negative surgical margin. Thus, double cone-unit laparoscopic hepatectomy with ICG negative counterstaining may be a feasible option for tumors located in an intersegmental plane.

11.
Pancreas ; 50(3): 313-316, 2021 03 01.
Artigo em Inglês | MEDLINE | ID: mdl-33835961

RESUMO

OBJECTIVES: The aim of this study was to clarify the effectiveness of combination chemotherapy targeting gemcitabine (GEM)-induced nuclear factor kappa B as adjuvant therapy for pancreatic cancer. METHODS: Patients who were planned after curative surgery (residual tumor classification R0 or R1) for pancreatic cancer to receive six cycles of adjuvant chemotherapy of regional arterial infusion of nafamostat mesilate with GEM between June 2011 and April 2017 were enrolled in this single-center, institutional review board-approved phase II trial (UMIN000006163). The Kaplan-Meier method was used to estimate disease-free survival and overall survival. RESULTS: In 32 patients [male/female: 18/14; age: median, 65.5 years (range, 48-77 years); pathological stage (Union for International Cancer Control 8th): IA/IB/IIA/IIB/III, 2/2/9/18/1, respectively] who met the eligibility criteria, the median overall survival and disease-free survival were 36.4 months (95% confidence interval, 31.7-48.3) and 16.4 months (95% confidence interval, 14.3-22.0), respectively. Grade 4 treatment-related hematological toxicities were seen in 5 patients (15.6%) (all neutropenia). One patient developed grade 3 nonhematological toxicities (rash). CONCLUSIONS: Adjuvant chemotherapy with regional arterial infusion of nafamostat mesilate and GEM is safe and has potential as an option in adjuvant setting after curative surgery for pancreatic cancer.

12.
Langenbecks Arch Surg ; 406(3): 703-711, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-33830337

RESUMO

INTRODUCTION: Although pancreatectomy with lymph node (LN) and nerve plexus dissection has usually been performed for pancreatic cancer, recent randomized controlled trials have questioned its survival benefits. However, superior mesenteric artery (SMA) LN dissection has still been included in standard treatment guidelines. METHODS: A total of 94 patients who underwent pancreaticoduodenectomy for resectable pancreatic cancer without LN enlargement around the SMA on imaging were identified between 2008 and 2017. Disease-free survival (DFS), overall survival (OS), and complications were compared between those with LN and hemicircumferential nerve plexus dissection around the SMA (SMA ly+) and those without thorough LN and nerve plexus dissection around the SMA (SMA ly-) after adjusting for major prognostic factors. RESULTS: A total of 78 and 16 patients with SMA ly+ and SMA ly- were identified, respectively. Our data demonstrated no difference in DFS and OS rates between both groups (P = 0.18 and 0.83, respectively). Patients with SMA ly+ had significantly more complications, particularly severe diarrhea, compared to those with SMA ly- (P = 0.001). CONCLUSION: LN and nerve plexus dissection around the SMA did not prolong survival and significantly increased the frequency of severe diarrhea, suggesting that performing in all cases carries less practical significance.


Assuntos
Pancreatectomia , Neoplasias Pancreáticas , Humanos , Excisão de Linfonodo , Artéria Mesentérica Superior/diagnóstico por imagem , Artéria Mesentérica Superior/cirurgia , Neoplasias Pancreáticas/cirurgia , Pancreaticoduodenectomia , Prognóstico
13.
Surg Endosc ; 35(9): 5375-5380, 2021 09.
Artigo em Inglês | MEDLINE | ID: mdl-33913029

RESUMO

It has been known that repeat laparoscopic hepatectomy (RLH) after open hepatectomy is technically challenging because of adhesions around the hilum. It is quite often that conventional tourniquet technique for the Pringle maneuver is difficult in RLH, and we introduced Laparoscopic Satinsky Vascular Clamp (LSVC) for inflow control in RLH. The Spiegel lobe is the anatomical landmark in LSVC technique. If a space behind the hepatoduodenal ligament and the Spiegel lobe was obtained, LSVC was applied laterally from the left side of the hepatoduodenal ligament, whereas LSVC was vertically applied for those with obstruction of a space behind the hepatoduodenal ligament. We performed 14 cases of RLH for those with histories of open hepatectomies by lateral (n = 6) and vertical (n = 8) LSVC technique with successful inflow control, confirmed by intraoperative Doppler ultrasound. Five patients underwent 2 or more previous histories of hepatectomies. The RLH included segmentectomy (n = 1), subsegmentectomy (n = 2) and partial hepatectomy (n = 11). The median time for the Pringle maneuver, operative time, and blood loss was 47 min, 237.5 min, and 160 mL. All the patients completed pure laparoscopic hepatectomy. In conclusion, LSVC technique is a safe and reliable technique for the Pringle maneuver in RLH.

14.
Anticancer Res ; 41(4): 2171-2175, 2021 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-33813429

RESUMO

BACKGROUND: Although indications of laparoscopic hepatectomy have been expanded, the laparoscopic approach after right hepatic lobectomy has a very high burden. The purpose of this study was to evaluate patients undergoing laparoscopic repeat hepatectomy for recurrent hepatic tumors after open right lobectomy. PATIENTS AND METHODS: Five cases of laparoscopic repeat hepatectomy for recurrent hepatic tumors after open right lobectomy were included in the study. RESULTS: All the tumors in segment 3 were intraoperatively detected and curatively resected by partial hepatectomy. The tumors in segment 2 could not be detected intraoperatively due to hypertrophic liver deformity and adhesion. They were curatively resected by anatomical subsegmental approach. CONCLUSION: For recurrent tumors located in segment 2 after right lobectomy, anatomical subsegmental approach should be preferred, not only from an oncological standpoint, but also for securing curative laparoscopic resection and overcoming anatomical difficulties.


Assuntos
Carcinoma Hepatocelular/cirurgia , Hepatectomia/métodos , Laparoscopia/métodos , Neoplasias Hepáticas/cirurgia , Recidiva Local de Neoplasia/cirurgia , Reoperação/métodos , Idoso , Carcinoma Hepatocelular/patologia , Humanos , Neoplasias Hepáticas/patologia , Masculino , Pessoa de Meia-Idade , Tratamentos com Preservação do Órgão/métodos , Indução de Remissão/métodos , Resultado do Tratamento
16.
J Gastrointest Surg ; 2021 Mar 26.
Artigo em Inglês | MEDLINE | ID: mdl-33772400

RESUMO

BACKGROUND: The superiority of outcomes associated with anatomical resection (AR) versus those associated with non-anatomical resection (NAR) remains controversial in patients with hepatocellular carcinoma (HCC). The aim of this study was to evaluate the significance of AR on therapeutic outcomes of patients with small HCCs (≤ 5 cm), using propensity score-matched (PSM) analysis. METHODS: A total of 195 patients who had undergone elective hepatic resection for small HCCs (≤ 5 cm) were included in this study. We conducted PSM analysis for baseline characteristics (age, sex, hepatitis virus status, retention rate of indocyanine green at 15 min, and Child-Pugh grade), preoperative serum α-fetoprotein, and tumor characteristics (tumor size, tumor number, portal vein invasion, and surgical margin status) to eliminate potential selection bias. The prognostic significance of AR on the disease-free and overall survival was analyzed in patients selected by PSM analysis. RESULTS: Applying PSM analysis, the patients were divided into PSM-AR (N = 66) and PSM-NAR (N = 66) groups. Disease-free survival was significantly better in the PSM-AR group than that of the PSM-NAR group (P = 0.018), while there was no significant difference in the overall survival between the PSM-AR and PSM-NAR groups (P = 0.292). The univariate HRs of the PSM-AR group were 0.55 (95% CI, 0.33-0.90) for disease-free survival and 0.61 (95% CI, 0.24-1.53) for overall survival, respectively. Remnant liver recurrence was significantly lower in the AR group (P = 0.014). CONCLUSIONS: AR may improve the disease-free survival in HCC patients with tumors of ≤5 cm diameter.

17.
Surg Case Rep ; 7(1): 45, 2021 Feb 10.
Artigo em Inglês | MEDLINE | ID: mdl-33566211

RESUMO

BACKGROUND: Cholesterol crystal embolism (CCE) following transcatheter arterial chemoembolization (TACE) is rare. CASE PRESENTATION: A 71-year-old man underwent TACE for recurrence of hepatocellular carcinoma (HCC). On postoperative day (POD) 5, he developed abdominal pain and fever. Computed tomography revealed intraperitoneal free air. The patient was diagnosed with gastrointestinal perforation with peritonitis, for which partial intestinal resection and covering ileostomy were performed. Histological examination revealed perforation of the small intestine caused by CCE. The patient made a satisfactory recovery and was discharged on POD 30. The patient showed no recurrence of cholesterol crystal embolism or HCC for 2 years after surgery. CONCLUSION: We reported a successfully treated case of ischemic small bowel perforation due to cholesterol crystal embolism following transcatheter arterial chemoembolization for recurrent HCC.

18.
Langenbecks Arch Surg ; 406(3): 883-892, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-33404882

RESUMO

PURPOSE: The aim of this study was to evaluate the clinical utility of a novel diagnostic algorithm based on serum D-dimer levels for venous thromboembolism (VTE) after hepatectomy. METHODS: We retrospectively analyzed 742 consecutive patients who underwent hepatectomy in our hospital from 2009 to 2019. From 2015, we routinely measured serum D-dimer level postoperatively and computed tomography was performed when D-dimer level was ≥ 20 µg/mL. RESULTS: VTE was diagnosed in 26 patients and pulmonary embolism (PE) was diagnosed in 18 patients. Multivariate analysis revealed that resected liver weight ≥ 120 g is a significant predictor of VTE (P = 0.011). The incidence of VTE from 2015 to 2019 was greater than that from 2009 to 2014 (5.0% versus 2.1%, P = 0.044). The number of low-risk PE patients between 2015 and 2019 was significantly greater than that between 2009 and 2014 (P = 0.013). There was no in-hospital mortality of patients with PE from 2015 to 2019. CONCLUSION: Patients who undergo hepatectomy are at high risk for VTE, especially when the resected liver weight is high. The proposed diagnostic algorithm based on serum D-dimer levels for VTE after hepatectomy can be useful for early diagnosis.


Assuntos
Embolia Pulmonar , Tromboembolia Venosa , Diagnóstico Precoce , Produtos de Degradação da Fibrina e do Fibrinogênio , Hepatectomia/efeitos adversos , Humanos , Embolia Pulmonar/diagnóstico por imagem , Embolia Pulmonar/etiologia , Estudos Retrospectivos , Tromboembolia Venosa/diagnóstico por imagem , Tromboembolia Venosa/epidemiologia
19.
Surg Today ; 51(7): 1232-1236, 2021 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-32979122

RESUMO

Although arterial pseudoaneurysm is one of the most serious complications after pancreatic surgery, the best practice with maximum efficacy and minimum adverse effects to overcome such a serious situation has not yet been elucidated. We performed endovascular micro-arterial stenting (EMAS) to manage this serious situation while preserving a sufficient hepatic arterial flow, and herein report the technical details and challenges of the procedure. Dilation of the stent using a balloon catheter to adhere to the parent artery, and embolization of the surrounding artery to prevent type I and type II endo-leaks are the most important points for ensuring a successful procedure. We applied this technique to 6 cases of hepatic arterial pseudoaneurysm, with a mean size of 6.5 ± 1.3 mm. The mean time of the procedure was 81 ± 22 min, without adverse events, including hepatic necrosis or arterial bleeding. EMAS may be the ideal procedure for treating pseudoaneurysm after pancreatic surgery while preserving the hepatic arterial inflow.

20.
Langenbecks Arch Surg ; 406(1): 99-107, 2021 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-32936328

RESUMO

PURPOSE: The controlling nutritional status (CONUT) score has been reported to predict outcomes in patients with hepatocellular carcinoma (HCC). However, the prognostic significance of the CONUT score in patients with non-B non-C (NBNC) HCC remains to be established. METHODS: The study comprised 246 patients who had undergone elective hepatic resection for HCC between April 2003 and October 2017. We retrospectively investigated the relation between preoperative CONUT score as well as clinicopathological characteristics and disease-free survival (DFS) as well as overall survival (OS). RESULTS: In univariate analyses, CONUT score was associated with DFS and OS in patients with NBNC-HCC (p ≤ 0.01), while there was no significant association of CONUT score with DFS and OS in patients with HBV- and HCV-related HCC (p ≥ 0.1). Of the 111 patients with NBNC-HCC, 97 (87.4%) had CONUT score ≤ 3 (low CONUT score) and the other 14 (12.6%) had CONUT score ≥ 4 (high CONUT score). In the patients with NBNC-HCC, multivariate analysis identified age ≥ 65 years (p = 0.03), multiple tumors (p < 0.01), and high CONUT score (p = 0.03) as the independent and significant predictors of DFS, while multiple tumors (p = 0.01), microvascular invasion (p < 0.01), and high CONUT score (p = 0.01) were the independent and significant predictors of OS. CONCLUSIONS: The CONUT score seems to be a reliable and independent predictor of both DFS and OS after hepatic resection for NBNC-HCC.

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