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
Dose of radiation for early and locally advanced cancer cervix at point A during brachytherapy? 
Select and explain. 
A. 70-75 Gray and 75- 80 Gray, B. 75-80 Gray and 80-85 Gray, C. 80-85 Gray and 85-90 Gray, D. 85-90 Gray and 90-95 Gray
C: 80-85 Gray and 85-90 Gray
Answer: C: 80-85 Gray and 85-90 Gray 
Explanation: Answer- C. 80-85 Gray and 85-90 GrayEarly stage disease (nonbulky Stage I-II): 80-85 GyAdvanced stage disease (bulky or Stage IIIB): 85-90 Gy