A cross sectional multicenter study (3 centers) to know the participation in decision making and the experience and satisfaction of participants with a positive immunological fecal test (FIT) result in relation to the screening process and the diagnostic-therapeutic process of cancer.

We will include 850 participants with a positive FIT result and will classify them by their final diagnosis (false positives of FIT; polyps; colo-rectal cancer).

Outcomes of interest will be measured by auto administered questionnaires:

collaboRATE, SDM-Q-9, OUT-PATSAT35 and a satisfaction questionnaire developed in a previous study.

Inclusion Criteria:

• Participants in the colorectal cancer screening program, with a positive result in the FIT AND in whom the perform of a colonoscopy is indicated AND agree to be included

Exclusion Criteria:

• People for whom the performance of a colonoscopy is not indicated by medical reasons
• People who refuse to perform a colonoscopy
• People who do not understand Spanish or Catalan, with deterioration of the cognitive state that do not allow them to understand or answer the questionnaires on their own or with the help of a caregiver;
• People in which the process is not carried out completely in the study centers (eg. performance of the colonoscopy in a private center).

Participans in the colorectal cancer screening program with a positive results in the immunological fecal test.