Review
Copyright ©The Author(s) 2024.
World J Gastrointest Oncol. Jan 15, 2024; 16(1): 13-29
Published online Jan 15, 2024. doi: 10.4251/wjgo.v16.i1.13
Table 1 T classification in TNM system for gallbladder adenocarcinoma of AJCC 8th edition
T
Invasion
TisIn situ
T1aOnly lamina propria
T1bLamina propria and muscle layer
T2aPerimuscular fibrous tissue on the side of the peritoneum
T2bPerimuscular fibrous tissue on the side of the liver
T3Serosa, and/or liver, and/or adjacent organs (stomach, duodenum, colon, pancreas, omentum, common bile duct)
T4Hepatic artery or main portal vein or ≥ 2 adjacent organs