Fig. 5From: A pathological complete response after combined chemotherapy of gemcitabine and S-1 in advanced biliary tract cancer with para-aortic lymph nodes metastasis: a case reportMacrographs of the resected specimen show erosion of biliary mucosa and disappearance of biliary mucosa cells in the middle common bile duct (a, b). Histopathological examination reveals no residual cancer cells in the middle common bile duct (c)Back to article page