California sea lion cancer necropsy (IMAGE) The Marine Mammal Center Caption The Marine Mammal Center's Chief Pathologist Dr. Padráig Duignan (right) and Pathology Fellow Dr. Maggie Martinez (left) make initial surgical cuts during a necropsy, or animal autopsy, on a diseased California sea lion that was humanely euthanized due to untreatable cancer. Credit Bill Hunnewell © The Marine Mammal Center Usage Restrictions Available for use by all as long as credit and copyright accompany image. 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.