Stage IIA Gallbladder Cancer AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IIA includes: T2a, N0, M0. T2a: Tumor invading the perimuscular connective tissue on the peritoneal side, without involvement of the serosa (visceral peritoneum). N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - Stage IIA Gallbladder Cancer - Stage IIA Gallbladder Carcinoma AJCC v8