Stage IIA Colorectal Neuroendocrine Tumor AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage IIA includes: T2, N0, M0. T2: Tumor invades the muscularis propria, or measures more than 2 cm in greatest dimension with invasion of the mucosa or submucosa. N0: No involvement of regional lymph node(s). M0: No distant metastasis. (AJCC 9th ed.)