Researchers from the International Agency for Research on Cancer (IARC) hosted a meeting of collaborators in the Causes of the Global Increase in Early-Onset Colorectal Cancer (ECCE) project on 18 May 2026. The goal of the ECCE project is to uncover unknown causes behind the global increase in incidence rates of early-onset colorectal cancer (i.e. in people younger than 50 years).