Cholangiocarcinoma: Biology, Clinical Management, and Pharmacological Perspectives

Table 1

Classification of cholangiocarcinomas (CCA).

Anatomical location		Macroscopic growth pattern
Intrahepatic (iCCA)		Mass-forming; Periductal-infiltrating; Intraductal; Mixed (mass-forming + periductal-infiltrating)
Extrahepatic (eCCA)	(i) Perihilar (Klatskin); (ii) Distal	Mass-forming (nodular); Periductal-infiltrating (sclerosing); Intraductal (papillary)