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ACS Report Finds Colorectal Cancer Rapidly Shifting to Younger Adults as Rectal Cases Rise

ACS urges earlier detection through screening at 45 to curb late diagnoses in younger adults.

Overview

  • The report estimates 158,850 new U.S. colorectal cancer cases and 55,230 deaths in 2026, with 45% of diagnoses now in people younger than 65.
  • Incidence has been increasing 3% per year among ages 20–49 and 0.4% among ages 50–64, while both incidence and mortality continue to decline in those 65 and older.
  • Rectal tumors are driving recent gains, now comprising about 32% of colorectal diagnoses after rising roughly 1% annually from 2018 to 2022.
  • Screening uptake remains low in newly eligible adults, with only about 37% of those ages 45–49 screened even though half of sub‑50 diagnoses occur in that age group.
  • Younger patients are often diagnosed late—about three‑quarters at regional or distant stages—and some states are responding, including a new Kentucky law expanding high‑risk screening eligibility to begin at 40.