Pre- and Post-CAR-T Cell Therapy (IMAGE) Fred Hutchinson Cancer Center Caption This is a regression of chemotherapy-refractory lymphoma after CAR T-cell therapy. Positron emission tomography (PET) images showing large tumor mass in the kidney (red arrow) prior to CAR-T cell therapy that completely regressed on a repeat PET scan performed 2 months after CAR-T cells. Credit Fred Hutch News Service 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.