Lethal Competition (IMAGE) Champalimaud Centre for the Unknown Caption Expansion of tumoral cells (purple) and deformation of the neighboring cells (green) in the thorax of a Drosophila (fruit fly) pupae. Credit Romain Levayer and Eduardo Moreno Usage Restrictions Image may only be used with appropriate credit 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.