Center for Genomic Regulation Nov 26 2024 Researchers at the University of Cologne and the Centre for Genomic Regulation (CRG) in Barcelona have discovered that cancer grows uniformly throughout its mass, rather than at the outer edges. The work, published today in the journal eLIFE , challenges decades-old assumptions about how the disease grows and spreads. "We challenge the idea that a tumor is a 'two-speed' entity with rapidly dividing cells on the surface and slower activity in the core.