Pathological classification of intrahepatic cholangiocarcinoma based on a new concept

Figure 2 Conventional type (bile duct type) of intrahepatic cholangiocarcinoma. A: Small bile duct type. A well-differentiated tubular adenocarcinoma with a desmoplastic reaction is found; B: Large bile duct type. The carcinoma spreads along the bile duct lumen and infiltrates the bile duct wall. L: bile duct lumen.