Vulvar Cancer Treatment (PDQ®): Treatment - Patient Information [NCI] - Stages of Vulvar Cancer
In stage III, the tumor is any size and may have spread into the lower part of the urethra, the lower part of the vagina, or the anus. Cancer has spread to one or more nearby lymph nodes. Stage III is divided into stages IIIA, IIIB, and IIIC.
- In stage IIIA, cancer is found in 1 or 2 lymph nodes that are smaller than 5 millimeters or in one lymph node that is 5 millimeters or larger.
- In stage IIIB, cancer is found in 2 or more lymph nodes that are 5 millimeters or larger, or in 3 or more lymph nodes that are smaller than 5 millimeters.
- In stage IIIC, cancer is found in lymph nodes and has spread to the outside surface of the lymph nodes.
In stage IV, the tumor has spread into the upper part of the urethra, the upper part of the vagina, or to other parts of the body. Stage IV is divided into stages IVA and IVB.
- In stage IVA:
- cancer has spread into the lining of the upper urethra, the upper vagina, the bladder, or the rectum, or has attached to the pelvic bone; or
- cancer has spread to nearby lymph nodes and the lymph nodes are not moveable or have formed an ulcer.
- In stage IVB, cancer has spread to lymph nodes in the pelvis or to other parts of the body.