Figure 1.

Intensive implementation strategy for the intervention group, aimed at both patients and clinicians. The rhombuses in this figure represent the tasks clinicians have in calculation, interpretation and communication of the familial colorectal cancer (CRC) risk in CRC patients. It also shows the various elements of the intensive implementation strategy aimed at both patients and clinicians (in yellow and green, respectively) that will be compared to dissemination of the guideline on familial and hereditary colorectal cancer only. Familial CRC risk: cumulative lifetime risk of developing CRC for first-degree relatives of CRC patients.