Mandala (IMAGE) University of Freiburg Caption The mandala artistically represents the research findings: The colorful circle represents a breast cancer stem cell (BCSC) whose surface structures can be recognized and killed by gamma delta T cells. The grey patterns illustrate BCBCs that have concerted differentiation and immune escape, remaining invisible to the immune cells. Credit Susana Minguet / CIBSS, BIOSS, University of Freiburg Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.