Why some immunotherapies fail (IMAGE) European Molecular Biology Laboratory Caption Immune cells surrounding a tumour with clonal neoantigens Credit Karen Arnott/EMBL-EBI Usage Restrictions Credit must be given to the creator. License CC BY 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.