Inclusion Criteria:  Patients who underwent Musset surgery between January 1, 2002 and December 31, 2020 in the Obstetrics and Reproductive Medicine Department of Intercommunal Hospital Center of Créteil Patients who gave their consent to participate in this study Patients affiliated with a social security plan  Exclusion Criteria:  Patients who have undergone rectovaginal fistula treatment using a technique other than the Musset technique Patients lost to follow-up Patients under legal protection (guardianship, curatorship, safeguard of justice, family habilitation and mandate of future protection activated)