PapSEEK (IMAGE) Johns Hopkins Medicine Caption Since fluid from the Pap test occasionally contains cells from the endometrium or ovaries, researchers found they could detect cancer cells from these organs that are present in the fluid by using different brushes. Credit Johns Hopkins University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.