Outcomes of Patients Who Had an Incomplete Colonoscopy After a Positive Fecal Immunological Test

Inclusion criteria: * Age between 50 and 75 years old at the time of the colonoscopy * With incomplete colonoscopy performed in 2018 after a positive fecal immunological test as part of the DOCCR * Patient whose follow-up has ended * Patient living in the Grand-Est region and in the department of the site concerned * Examination carried out by a gastroenterologist from the Grand-Est region * Subject not having expressed, after information, his opposition to the reuse of his data for the purposes of this research Exclusion criteria: * Age ≥ 76 years at the time of colonoscopy * Colonoscopy performed after a positive Hemoccult® test (screening technique older than the immunological test and different sensitivity / specificity) * Colonoscopy performed before the fecal immunological test * Gastroenterologist performing the examination practicing outside the Grand-Est region * Subject not able to understand the objectives of this research * Subject under judicial control * Subject under tutorship or curatorship