Study hypothesis: Cell exfoliation from the surface of colorectal tumours is much more intensive than from normal colorectal mucosa. The hypothesis is that exfoliated cells are transferred to the rect
Colorectal cancer is the second-leading cause of cancer death in the United States. Colorectal cancer screening is recommended to begin at age 50 years for most men and women at average risk for this
Study hypothesis: Evidence-based patient information leads to more informed choices in colorectal cancer screening than traditional information. Primary outcome(s): Informed choice, consisting of the