Clinical Stage IIA Gastroesophageal Junction Adenocarcinoma AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IIA includes: T1, N1, M0. T1: Tumor invades the lamina propria, muscularis mucosae, or submucosa. N1: Tumor with metastasis in one or two regional lymph nodes. M0: No distant metastasis. (AJCC 8th ed.)