This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
The commonest malignant tumor of the orbit in the 1st decade is – 
Select and explain. 
A. Retinoblastoma, B. Neuroblastoma, C. Rhabdomyosarcoma, D. Chloroma
C: Rhabdomyosarcoma
Answer: C: Rhabdomyosarcoma 
Explanation: Most common malignant orbital tumor in children is rhabdomyosarcoma. It is seen in first decade of life.