Its origin is the epithelial cells coating the ovary. It is the most common ovarian cancer, about 90% of cases. Fallopian Tube Cancer and Primary Peritoneal Cancer are also types of epithelial ovarian cancer.
Five major types of epithelial ovarian cancer
- High-Grade Serous Carcinoma which comprises about 70% of all ovarian carcinomas
- Clear-Cell Carcinoma which comprises about 10% of all ovarian carcinomas
- Endometrioid carcinoma which comprises about 10% of all ovarian carcinomas
- Low-Grade serous carcinoma which comprises less than 5% of all ovarian carcinomas
- Mucinous carcinoma which comprises less than 5% of all ovarian carcinomas