Frequently Asked Questions
22. When will we know which tools are best for detecting colorectal cancer?
The National Cancer Institute's Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial will deliver important information about which tool may be best in reducing deaths from colon and rectal cancers.
This trial, involving 148,000 volunteers aged 55 to 74, compared two groups of people over a 10-year period to see if the group that received sigmoidoscopies had fewer deaths from colorectal cancer.