Josep Carreras Leukaemia Research Institute Jan 30 2025 A team led by the Cancer Immunogenomics group at the Josep Carreras Leukaemia Research Institute, the Computational Biology group at the Barcelona Supercomputing Center and the Germans Trias i Pujol Research Institute shows, for the first time, that within a tumor, the expression of the different hallmarks of cancer is not cell-specific, but rather position-specific. Under this new light, tumour architecture emerges as a valuable source of