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
Intercavitatory radiotherapy is treatment modality for 
Select and explain. 
A. Ca Cervix, B. Ca Oesophagus, C. Ca Stomach, D. Renal cell CA
A: Ca Cervix
Answer: A: Ca Cervix 
Explanation: Intracavitary brachytherapy is used most commonly in patients with cancer cervix after radiation therapy has been completed.