Stage 0 Ampulla of Vater Cancer AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage 0 includes: Tis, N0, M0. Tis: Carcinoma in situ. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - Stage 0 Ampulla of Vater Cancer - Stage 0 Ampulla of Vater Carcinoma AJCC v8