Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 21, 2015; 21(7): 2124-2130
Published online Feb 21, 2015. doi: 10.3748/wjg.v21.i7.2124
Figure 1
Figure 1 Flow diagram of patient selection. 1Exclusion criteria: extrahepatic metastasis, double primary carcinoma, grossly remnant tumor after surgery, hereditary nonpolyposis colorectal cancer, and familial adenomatous polyposis.