Anal Cancer pN1a TNM Finding v9

**Semantic type:** Finding

**Definition:** Anal cancer with tumor involvement of inguinal, mesorectal, superior rectal, internal iliac, or obturator lymph node(s). (from AJCC 9th Ed.)

**Synonyms:** - Anal Canal and Perianal (Anal Margin) Carcinoma pN1a TNM Finding v9 - Anal Carcinoma pN1a TNM Finding v9