to This Summary (10/15/2014)About This PDQ SummaryGet More Information From NCIGeneral Information About Kaposi SarcomaKey Points:Kaposi sarcoma is a disease in which malignant tumors (cancer) can form in the skin, mucous membranes, lymph nodes, and other organs.Tests that examine the skin, lungs, and gastrointestinal tract are used to detect (find) and diagnose Kaposi sarcoma.After Kaposi sarcoma