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
Presence of hydronephrosis in staging of carcinoma cervix denotes FIGO disease : 
Select and explain. 
A. Stage II-B, B. Stage III-A, C. Stage III-B, D. Stage IV-A
C: Stage III-B
Answer: C: Stage III-B 
Explanation: Stage III-B