Colon cancer screening done by sigmoidoscopy -- a less invasive, cheaper alternative to colonoscopy -- does cut people's risk of developing or dying from the disease, a new clinical trial finds.

One-time screening with flexible sigmoidoscopy reduced colorectal cancer (CRC) incidence and mortality by about 25% over two decades, according to long-term follow-up of a randomized U.K. study. Among ...

Sigmoidoscopy screening also reduced the risk of death from CRC in only men. While previous studies have shown sigmoidoscopy screening reduces CRC incidence and mortality for 15 years, these findings ...

Reduction in CRC incidence seen in men and women, with greater reduction in men, while CRC death only reduced among men.