Constructing multicancer risk cohorts using national data from medical helplines and secondary care. - Hadi Modarres; Dimitris Pipinis; Divya Balasubramanian; Rupert Chaplin; Scarlett Kynoch; Achut Manandhar; Gursimran Thandi; Rebecca Cavilla; Emma Hirst-Williams (npj Digit. Medicine, 2025)