Stage IIB Anal Cancer AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage IIB includes: T1-T2, N1, M0. T1: Tumor less than or equal to 2 cm in greatest dimension. T2: Tumor greater than 2 cm but less than or equal to 5 cm in greatest dimension. N1: Tumor involvement of regional lymph node(s). M0: No distant metastasis. (AJCC 9th ed.)

**Synonyms:** - Stage IIB Anal Canal and Perianal (Anal Margin) Carcinoma AJCC v9 - Stage IIB Anal Carcinoma AJCC v9