<prompt> Multifocal tumor of vascular origin in a patient of AIDS -Kaposi sarcomaAstrocytomaGastric CarcinomaPrimary CNS lymphoma  <response>: Ans. is a i.e., Kaposi sarcoma Neoplastic disease in AIDS . Kaposi sarcoma most common tumor . Non Hodgkin lymphoma - Immunoblastic lymphoma most common lymphoma - Primary CNS lymphoma associated with EBV - Burkitts lymphoma . Other less common neoplasm are - Hodgkins disease - Leukemia - Cervical Ca - Brain tumor - Testicular Ca - Multiple myeloma - Melanoma - Lung Ca - Anal Ca - Oral Ca 