NCIt synonyms : Stage II Anal Carcinoma AJCC v9; Stage II Anal Canal and Perianal (Anal Margin) Carcinoma AJCC v9;
NCIt definition : Stage II includes: IIA: T2, N0, M0; IIB: 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. N0: No tumor involvement of regional lymph node(s).
N1: Tumor involvement of regional lymph node(s). M0: No distant metastasis. (AJCC
9th ed.);