Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.See eligibility criteria
- Hiatal hernia repair for large hiatal hernia at the Mayo Clinic between 01/01/2002 to 01/01/2012.
- Had either the Belsey Mark-IV procedure or laparoscopic nissen fundoplication.