What is ovarian epithelial tumor?

Ovarian tumors are very complex. Malignant tumors occur in all organs of the human body. The most complex place is the ovary. According to the WHO classification, ovarian tumors can be divided into nine categories. The most common type in the nine categories is epithelial tumors. Multiple ovarian epithelial tumors can be divided into benign, malignant and borderline three types. The characteristics of this type of tumor are that the prognosis of malignant tumors is very poor.