Preferred Label : Stage I Extrahepatic Bile Duct Cancer;
Obsolete resource : true;
NCIt synonyms : Stage I Carcinoma of Extrahepatic Bile Duct; Stage I Carcinoma of the Extrahepatic Bile Duct; Stage I Extrahepatic Bile Duct Carcinoma; Extrahepatic Bile Duct Cancer Stage I;
NCIt definition : Stage I includes: IA: (T1, N0, M0); IB: (T2, N0, M0). T1: Tumor confined to the bile
duct histologically. T2: Tumor invades beyond the wall of the bile duct. N0: No regional
lymph node metastasis. M0: No distant metastasis. (AJCC 6th ed.);
Alternative definition : NCI-GLOSS: Stage I is divided into stage IA and IB. In stage IA, cancer is found only
in the bile duct. In stage IB, cancer has spread through the wall of the bile duct.;