Stage IB Ampulla of Vater Cancer AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IB includes: T2, N0, M0. T2: Tumor invades the duodenal wall. N0: No regional lymph node metastasis. M0: No distant metastasis. (from AJCC 7th Ed.)

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