Antigens, CD/genetics; Biomarkers, Tumor/genetics; Gastrointestinal Stromal Tumors/genetics; Gene Expression Profiling; Liver Neoplasms/genetics; Membrane Glycoproteins/genetics; Stomach Neoplasms/genetics; Versicans/genetics; Adult; Aged; Antigens, CD/metabolism; Biomarkers, Tumor/metabolism; Female; Gastric Mucosa/metabolism; Gastrointestinal Stromal Tumors/metabolism; Gastrointestinal Stromal Tumors/pathology; Humans; Immunoenzyme Techniques; Liver Neoplasms/metabolism; Liver Neoplasms/secondary; Male; Membrane Glycoproteins/metabolism; Mutation/genetics; Oligonucleotide Array Sequence Analysis; Prognosis; Proto-Oncogene Proteins c-kit/genetics; Proto-Oncogene Proteins c-kit/metabolism; RNA, Messenger/genetics; Reverse Transcriptase Polymerase Chain Reaction; Stomach Neoplasms/metabolism; Stomach Neoplasms/pathology; Survival Rate; Tetraspanin 29; Versicans/metabolism