Review
Copyright ©2007 Baishideng Publishing Group Inc.
World J Gastroenterol. Jul 7, 2007; 13(25): 3409-3416
Published online Jul 7, 2007. doi: 10.3748/wjg.v13.i25.3409
Table 3 Changes in T classification of the AJCC staging for extrahepatic bile duct cancer
AJCC 5th edition[21]AJCC 6th edition[22]
pT
Tumor invasion
pT
Tumor invasion
T1aSubepithelial connective tissueT1Confined to the bile duct
T1bFibromuscular layerT2Beyond the bile duct wall
T2Perifibromuscular connective tissueT3Liver, gallbladder, pancreas
T3Liver, pancreas, gallbladder, stomach, duodenum, colonT4Duodenum, colon, stomach, abdominal wall