stage II extrahepatic bile duct cancer

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Stage II is divided into stage IIA and IIB. In stage IIA, cancer has spread to the liver, gallbladder, pancreas, and/or to either the right or left branches of the hepatic artery or of the portal vein (major blood vessels that carry blood to the liver). In stage IIB, cancer has spread to nearby lymph nodes and (1) is found in the bile duct; or (2) has spread through the wall of the bile duct; or (3) has spread to the liver, gallbladder, pancreas, and/or the right or left branches of the hepatic artery or portal vein.