"I was very lucky to find it very early," said Trehy, who was diagnosed with sigmoid cancer, a type of colorectal cancer. At 38 years old, Trehy's diagnosis came well before the typical screening age.

The overall interval CRC rate, defined as colorectal cancer diagnosed 6-36 months after a lower endoscopy, was 11.7 percent after flexible sigmoidoscopy. After colonoscopy, overall interval colorectal ...

Overall, colorectal cancer deaths were reduced 26 percent and new cases were reduced 21 percent as a result of screening with sigmoidoscopy, according to findings of the Prostate, Lung, Colorectal ...