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: Radiology
Prophylactic intracranial irradiations are given in – 
Select and explain. 
A. Small cell Ca of lung, B. Testicular Ca, C. Ca breast, D. Ca stomach
A: Small cell Ca of lung
Answer: A: Small cell Ca of lung 
Explanation: Prophylactic craniospinal irradiation is given in:- medulloblastoma, SCC lung, Glioblastoma, Germinoma, ALL, Non-Hodgkin's lymphoma (NHL), Leptomeningeal rhabdomyosarcoma