This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiotherapy, Subject name: Radiology
Intra cavitary Radiotherapy is used for the treatment of 
Select and explain. 
A. CA stomach, B. CA Cervix, C. CA Oesophagus, D. CA Renal cell
B: CA Cervix
Answer: B: CA Cervix 
Explanation: Ans. is 'b' i.e.Ca Cervix Intracavitary radiotherapy is a form of brachytherapy in which radiation source is placed inside the body cavity e.g. Vagina, cervical canal or uterine cavity.