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
A 45-year-old female is having bilateral ovarian mass, ascites and omental caking on CT scan. There is high possibility that patient is having: 
Select and explain. 
A. Benign ovarian tumor, B. Malignant epithelial ovarian tumor, C. Dysgerminoma of ovary, D. Lymphoma of ovary
B: Malignant epithelial ovarian tumor
Answer: B: Malignant epithelial ovarian tumor 
Explanation: None