 Uterine lavages were collected before a surgical intervention for suspected ovarian malignancy at the investigators institution. After malignancy was confirmed, a panel of genetic changes frequently found in endometrial and ovarian cancers see below were studied in the lavage samples of 22 ovarian carcinoma patients through deep sequencing by the group of Bert Vogelstein Johns Hopkins University, Baltimore, USA. The presence of genetic changes, indicative for ovarian cancer, could be confirmed in 1622 73 lavage specimen. 