Since 2020, aggregated from related topics
Colorectal cancer screening involves the early detection of colorectal cancer or precancerous growths in the colon or rectum. Screening methods can include stool tests, such as fecal occult blood tests or stool DNA tests, as well as imaging tests like colonoscopies or flexible sigmoidoscopies. Screening is important because early detection of colorectal cancer can lead to better treatment outcomes and increased chances of survival. Screening guidelines may vary depending on factors such as age, family history, and other risk factors.