Cancer Cells (IMAGE) University of Cambridge Caption This shows: Left: pancreatic cancer cells (in green) Right: after six days of combined tumour immunotherapy, the cancerous cells had been killed. Credit Douglas Fearon 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.