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. 2010 Apr 30;1(2):52–65. doi: 10.4021/wjon2010.04.200w
TX: Primary tumor cannot be assessed
T0: No evidence of primary tumor
Tis: In situ carcinoma
T1: Tumor limited to the pancreas 2 cm or less in greatest dimension
T2: Tumor limited to the pancreas more than 2 cm in greatest dimension
T3: Tumor extends directly into any of the following: duodenum, bile duct, or peripancreatic tissues
T4: Tumor extends directly into any of the following: stomach, spleen, colon, or adjacent large vessels