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: Gynaecology & Obstetrics
True about the device shown below is all except 
Select and explain. 
A. Used for vaginal brachy therapy after surgery for uterine cancer., B. This treatment decreases risk of vaginal cuff recurrence., C. Indicated for only large tumor volumes., D. It is placed in proximal vagina.
C: Indicated for only large tumor volumes.
Answer: C: Indicated for only large tumor volumes. 
Explanation: Typical cylinder (Ovoid) used for brachy therapy
Brachy therapy is indicated for only small tumor volumes.