<Tr> <Th> Treatment </Th> <Td> Surgery, chemotherapy, radiation therapy, biologic therapy </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <P> Kaposi's sarcoma (KS) is a type of cancer that can form in the skin, lymph nodes, or other organs . The skin lesions are usually purple in color . They can occur singularly, in a limited area, or be widespread . It may worsen either gradually or quickly . Lesions may be flat or raised . Human herpesvirus 8 (HHV8) is found in the lesions of all those who are affected . Risk factors include poor immune function, either as a result of disease or specific medications, and chronic lymphedema . </P> <P> Five sub-types are described: classic, African, immunosuppresion therapy - related, epidemic, and non-epidemic . Classic KS tends tends to affect older men, be slow growing, and affect the legs . African KS occurs in young adult males in Africa and can be more aggressive . Immunosuppresion therapy - related KS generally occurs in people following organ transplantation and mostly affects the skin . Epidemic KS occurs in people with AIDS and many parts of the body can be affected . Non-epidemic KS occurs in gay males without HIV / AIDS and generally develops slowly . The diagnosis is by tissue biopsy while the extent of disease may be determined by medical imaging . </P>

Which part of the body is the origin of kaposi’s sarcoma
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