PDAC GPER (IMAGE) University of Pennsylvania School of Medicine Caption Activating a receptor found on the surface of many normal and cancer tissues can not only stop pancreatic cancer from growing but may also make tumors more visible to the immune system and thus more susceptible to modern immunotherapy Credit Penn 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.