Definition

The tumor is any size and has become attached to the bone, or cancer has spread to lymph nodes that are not movable or have become ulcerated, or there is distant spread. Stage IV is divided into stages IVA and IVB. In stage IVA, the cancer is attached to the pelvic bone or has spread to lymph nodes in the groin that are not movable or have become ulcerated. In stage IVB, the cancer has spread beyond the pelvis to distant parts of the body.