Stage IIB Ampulla of Vater Cancer AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IIB includes: (T1, N1, M0); (T2, N1, M0); (T3, N1, M0). T1: Tumor limited to ampulla of Vater or sphincter of Oddi. T2: Tumor invades the duodenal wall. T3: Tumor invades the pancreas. N1: Regional lymph node metastasis. M0: No distant metastasis. (from AJCC 7th Ed.)

**Synonyms:** - Stage IIB Ampulla of Vater Cancer - Stage IIB Ampulla of Vater Cancer