This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Most common site of childhood rhabdomyosarcoma is 
Select and explain. 
A. Trunk, B. Genitourinary system, C. Extremities, D. Head and neck
D: Head and neck
Answer: D: Head and neck 
Explanation: Rhabdomyosarcoma usually begins in muscles that are attached to bones and that help the body move. Rhabdomyosarcoma is the most common type of soft tissue sarcoma in children. It can begin in many places in the body. Ref robbins 9/e p510