Aspirin in Preventing Disease Recurrence in Patients With Barrett Esophagus After Successful Elimination by Radiofrequency Ablation

University of Pennsylvania/Abramson Cancer Center, Philadelphia

UNC Lineberger Comprehensive Cancer Center, Chapel Hill

Mayo Clinic in Rochester, Rochester

Northwestern University, Chicago

Kansas City Veterans Affairs Medical Center, Kansas City

Baylor College of Medicine/Dan L Duncan Comprehensive Cancer Center, Houston

M D Anderson Cancer Center, Houston

UCHealth University of Colorado Hospital, Aurora

UCLA / Jonsson Comprehensive Cancer Center, Los Angeles

Saint Michael's Hospital, Toronto