This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
Kaposi sarcoma is commonly seen in ? 
Select and explain. 
A. Upper limbs, B. Lower limbs, C. Head and Neck, D. Trunk
B: Lower limbs
Answer: B: Lower limbs 
Explanation: " It occurs predominantly on the skin and can involve viually any organ, perhaps except the brain. The initially described form, now known as classic KS, predominantly involves the lower extremities of elderly men. KS is now the most common tumor seen in HIV-infected patients Ref : Bailey and love surgery text book 27th Ed.