Malignant epithelial tumors make up 23-25% and are true ovarian cancer. It is customary to distinguish between primary and secondary ovarian cancer. Mostly malignant epithelial tumors of the ovary are secondary, i.e. arise from previous benign or borderline cysts or cysts. More often, malignant growth occurs in serous papillary, less often – mucinous cysts. Primary ovarian cancer accounts for 4-5% of […]
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