Risk Factors in Sporadic Early-Onset Colorectal Cancer, Current Evidence and Emerging Insights: A Systematic Review. - Maddula, Meghana; Cohen, Jordan E.; Kumarasinghe, Dulitha; Ballinger, Mandy L.; Tearle, Jaqueline L. E.; James, Kylie R.; Nagrial, Adnan; Barnet, Megan; Thavaneswaran, Subotheni (Cancers, 2026)