Stage II Gastric Neuroendocrine Tumor AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage II includes: T2, T3, N0, M0. T2: Tumor invades the muscularis propria or measures more than 1 cm in greatest dimension. T3: Tumor invades through the muscularis propria into subserosal tissue without penetration of overlying serosa. N0: No tumor involvement of regional lymph node(s). M0: No distant metastasis. (AJCC 9th ed.)