AdvertisementGet Screened Earlier For Colorectal Cancer, Urges American Cancer SocietyMay 30, 2018Patti NeighmondfacebookEmailImmunofluorescent light micrograph of human colon cancer cells, highlighting the nucleus of each cell in pink. U.S. doctors have been seeing an increase in colorectal cancer cases — and deaths — among people under age 50. (SPL/Science Source)