Which tumor is not seen in AIDS -
Kaposi sarcoma
GI adeno carcinoma
Non Hodgkin's lymphoma
Astrocytoma
Brain tumours associated with AIDS is CNS lymphoma. Astrocytoma has no association with AIDS infection.

Cancers associated with HIV infection are:—

Kaposi's sarcoma (Most common)
Non hodgkins lymphoma
Hodgkins lymphoma
Multiple myeloma
Leukemia
Melanoma
Cervical cancer
Brain cancer (CNS lymphoma)
Testicular cancer
Anal cancer
Oral cancer
Burkitt's lymphoma