Kaposi's sarcoma (KS) is a rare cancer of the blood or lymphatic tissues under the skin or mucous membrane (like the lip tissue). There are four types: epidemic, immunosuppression-related, classic, and African Epidemic. AIDS) Immunosuppression-related KS found in kidney transplant recipients. This requires strong drugs to suppress the immune system and prevent kidney rejection. This type of KS can be slow. and less severe. Classic KS is common in Jewish and Mediterranean men. Most survive for more than 10 years and die from something else. African KS is commonly seen in black male African children.