Stage IIA Digestive System Neuroendocrine Tumor AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IIA includes: T2, N0, M0. T2: Stomach/ duodenum /jejunum/ileum: tumor invades muscularis propria or is more than 1 cm in size; ampulla: tumor is more than 1 cm in size; colon or rectum: tumor invades muscularis propria or is more than 2 cm in size with invasion of lamina propria or submucosa. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 7th ed.)

**Synonyms:** - Stage IIA Digestive System Neuroendocrine Neoplasm - Stage IIA Digestive System Neuroendocrine Neoplasm AJCC v7 - Stage IIA Digestive System Neuroendocrine Tumor - Stage IIA Gastrointestinal Neuroendocrine Neoplasm - Stage IIA Gastrointestinal Neuroendocrine Neoplasm AJCC v7