Squamous Overgrowth Is Not a Safety Concern for Photodynamic Therapy for Barrett's Esophagus With High-Grade Dysplasia

Mary P. Bronner, Bergein F. Overholt, Shari L. Taylor, Rodger C. Haggitt, Kenneth K. Wang, J. Steven Burdick, Charles J. Lightdale, Michael Kimmey, Hector R. Nava, Michael V. Sivak, Norman Nishioka, Hugh Barr, Marcia I. Canto, Norman Marcon, Marcos Pedrosa, Michael Grace, Michelle Depot