Fig. 6From: Confinement to the intrapancreatic bile duct is independently associated with a better prognosis in extrahepatic cholangiocarcinomaAn example of discrepancy of T stage according to the location. Even though two separate tumors have same depth of invasion, tumor involved middle BD cancer (A; MID/DIFFUSE group) would be classified as T2, while tumor confined to intrapancreatic portion of BD (B; DISTAL group) would be classified as T3 because of pancreas invasionBack to article page