Clues emerge on why colon cancer may be harder to treat in young people The Washington PostYoung-Onset Colorectal Cancer Tumors Hold More Stromal… inklStudy reveals new clues to why colorectal cancer in young people is so deadly Live ScienceRising rates of colorectal cancer found in nearly all age groups UChicago MedicineColon cancer looks different in young people — and often more aggressive, a new study found Business Insider