Kaposi sarcoma is a cancer that affects the skin, nose, throat, and the lining of the mouth. It may also affect other body tissues, including lymph nodes, lungs, and gastrointestinal tract. It may look like purple spots or bumps on the skin.
Kaposi sarcoma is more common in people who have impaired immune systems, such as people who have HIV or AIDS. One type of Kaposi sarcoma that happens in older people is called classic Kaposi sarcoma. It grows so slowly that treatment may not be needed.
Kaposi sarcoma may be treated with medicines, radiation, surgery, or chemotherapy.
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