Anal cancer Stage III. Definition

Medical Definition: Anal cancer Stage III

Stage III of anal cancer is divided into stages IIIA and IIIB. In stage IIIA, the tumor may be any size and has spread to: (1) lymph nodes near the rectum, or (2) nearby organs such as the vagina, urethra and bladder. In stage IIIB, the tumor may be any size and has spread to: (1) nearby organs and lymph nodes near the rectum (2) lymph nodes on one side of the pelvis or groin, and may have spread to nearby organs, or (3) lymph nodes near the rectum and groin or lymph nodes on both sides of the pelvis or groin, and may have spread to nearby organs.

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