All participants will be subjected to Serum measurements of CA-125 by the immunoradiometric assay, Ultrasound evaluation of the Adnexal masses which is described according to origin (ovarian/extraovarian); position (right/left/bilateral); number of lesions; type of lesions (unilocular/multilocular); size in three dimensions (longitudinal, anteroposterior and transverse diameters); intracystic fluid echogenicity; number of loculations; presence and size of septations (only thickest one of septations is considered); presence, number and size of solid papillary projections (largest thickness is considered); presence and size of the largest solid component (three diameters); presence and measurement of fluid volume in the posterior cul-de-sac and presence and location of lesions suggestive of metastases. Then surgical intervention will be done with pathological examination of the specimen