Stage IIIA includes: T3, N0, M0. T3: Tumor perforating the serosa (visceral peritoneum) and/or directly invading the liver and/or one other adjacent organ or structure, such as the stomach, duodenum, colon, pancreas, omentum, or extrahepatic bile ducts. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.) [from
NCI]