Stage IA Ampulla of Vater Cancer AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IA includes: T1, N0, M0. T1: Tumor limited to ampulla of Vater or sphincter of Oddi. N0: No regional lymph node metastasis. M0: No distant metastasis. (from AJCC 7th Ed.)

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