Stage III includes: T4, Any N, M0. T4: Tumor invades any of the following main portal vein or its branches bilaterally, common hepatic artery, or other adjacent structures, such as the colon, stomach, duodenum, or abdominal wall. N0: No regional lymph node metastasis. N1: Regional lymph node metastasis. M0: Distant metastasis. (AJCC 6th ed.) [from
NCI]