<prompt> Most common malignancy seen in AIDS patients is:Non-Hodgkins lymphomaKaposis sarcomaCancer nasopharynxHairy leukoplakia  <response>: Kaposis sarcoma is the most common malignancy seen in AIDS patients. It involves skin or the mucous membrane. Association with herpes virus 8 has been seen in the causation of Kaposis sarcoma in AIDS patients.Non-Hodgkins lymphoma is the second-most common malignancy seen in HIV patients.Hairy leukoplakia in AIDS patients is caused by Ebstein-Barr virus. It presents as white patches on the lateral border of tongue and may be an early manifestation of disease. 