The main objective of this pilot study is to implement an awareness campaign for colorectal cancer screening in the workplace, in partnership with the staff of the occupational health service of one of the largest companies in Maine-Loire , and to evaluate the impact of this action on the participation rate of colorectal cancer screening among employees.

Inclusion Criteria:

• The study population is made up of the employees of the CHU d'Angers included in the target population of organized colorectal cancer screening in the Maine-et-Loire so employees aged 50 and over.

Exclusion Criteria:

• The criteria for non-inclusion are those of organized screening for colorectal cancer taking into account the active population:
• Age <50 years and> 67 years
• Personal or family history of polyps or colorectal cancer
• Personal history of intestinal disease already undergoing colonoscopy surveillance (chronic inflammatory bowel disease, HNPCC syndrome, familial adenomatous polyposis)
• Known genetic disease with risk of developing colorectal cancer.