Ovarian Cancer Clumps (IMAGE) University of North Carolina Health Care Caption Clumps of ovarian clear cell carcinoma cells formed when the two genes ARID1A and PIK3CA were mutated in mice. Credit Ron Chandler, Ph.D., UNC School of Medicine 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.