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Objective:To investigate the effect of different primary sites of colorectal cancer on early recurrence after radical resection of metastatic tumor clinical risk score (CRS).Methods:The data of colorectal cancer liver metastasis (CRLM )surgically resected between Jan 2015 and Feb 2020 were retrospectively analyzed at Li Huili Hospital and Ningbo University People's Hospital. Risk factors leading to early recurrence after CRLM resection were analyzed by univariate analysis, and the significant results were then subjected to multifactorial analysis by COX regression model. Kaplan-Meire method was used to analyze the effect of primary site on disease-free survival at 1 year after CRLM resection in different CRS subgroups.Results:A total of 209 patients were included in the study, including 143 patients with primary tumors in the left colon and 66 in the right colon. One hundred and three (49.3%) patients with recurrence within 1 year.Univariate analysis showed that primary tumor site, neoadjuvant chemotherapy, and CRS were correlated with recurrence. Multivariate analysis showed that right colon cancer, poor efficacy of neoadjuvant therapy, and high risk of CRS were independent risk factors (all P<0.05). Patients with an overall low CRS risk group and low CRS after treatment, had a higher recurrence rate (all P<0.05) within 1 year when primary tumor located right colon. Conclusion:The location of the primary tumor in the right colon is an independent risk factor for recurrence within 1 year after radical surgery in patients with CRLM.
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Objective To evaluate FIB-NLR,a combined neutrophil-lymphocyte ratio (NLR) and fibrinogen concentration (FIB) in predicting the prognosis of gastrointestinal stromal tumors (GIST).Methods Data of 79 GIST patients who underwent surgery from Jun 2010 to Dec 2014 were retrospectively analyzed.Patients were divided into 3 groups:NLR ＜ 2.30 and FIB ＜ 3.85 g/L were defined as group 0,NLR≥2.30 and FIB ＜3.85 g/L or NLR ＜2.30 and FIB≥3.85 g/L as group 1,NLR≥2.30 and FIB≥3.85 g/L as group 2.The clinicopathological features of the three groups and the 5-year recurrence-free survival rate after surgery were compared.Results FIB concentration and NLR were significantly correlated with NIH risk grade and tumor size in GIST patients (x2 =9.517,12.41 1,6.081,20.067,all P ＜ 0.05).FIB-NLR was closely related to tumor size,tumor risk and tumor mitosis (x2 =14.406,12.514,28.225,all P ＜ 0.05).Survival analysis showed that high FIB predicts lower 5-year recurrence-free survival rate,it was 87.4％ for group 0,60.8％ for group 1,21.1％ for group2,x2 =29.617,P＜0.000).Conclusion FIB-NLR independently predicts the prognosis of gastrointestinal stromal tumors.