Stage IIB Rectal Neuroendocrine Tumor AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage IIB includes: T3, N0, M0. T3: Tumor invades through the muscularis propria into subserosal tissue without penetration of overlying serosa. N0: No involvement of regional lymph node(s). M0: No distant metastasis. (AJCC 9th ed.)