This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunodeficiency Disorders, Subject name: Pathology
Most common malignancy in AIDS: 
Select and explain. 
A. Kaposi sarcoma, B. B cell lymphoma, C. Leukemia of myeloid origin, D. Burkitt's lymphoma
A: Kaposi sarcoma
Answer: A: Kaposi sarcoma 
Explanation: AIDS-defining malignancies: Kaposi sarcoma (m/c) B- cell Lymphoma Cervical cancer in women / Anal cancer in women