This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endometriosis, Subject name: Gynaecology & Obstetrics
M/c site for extrapelvic endometriosis is: 
Select and explain. 
A. Broad ligament, B. Sigmoid colon, C. Rectum, D. Ovary
B: Sigmoid colon
Answer: B: Sigmoid colon 
Explanation: Ans. is b, i.e. Sigmoid colonM/C site for extrapelvic endometriosis = GITIn GIT M/C site is = sigmoid colon > RectumOverall M/C site of endometriosis = OvaryRarest site of endometriosis = CNS