PATIENTS  Inclusion Criteria:  adult patients (18+) confronted with major low anterior resection syndrome after rectal cancer surgery  Exclusion Criteria:  stoma at time interview abdominal perineal resection  INFORMAL CAREGIVERS Inclusion criteria  Adults (18+) Nominated by the participating patient as their principal caregiver Exclusion criteria None  HEALTHCARE PROFESSIONALS inclusion criteria  Adults (18+) Caring for patients with LARS Exclusion criteria None