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
CA - 125 levels are elevated in 
Select and explain. 
A. Endometriosis, B. Adenomyosis, C. Both 2 & 3, D. None of the above
C: Both 2 & 3
Answer: C: Both 2 & 3 
Explanation: CA-125 levels is elevated in
→ Endometriosis
→ Adenomyosis
→ Pelvic infection
→ Leiomyoma
Although it is a tumor marker.