title: In reply to Mihaildis.
authors: Department of Radiation Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas.
authors: Daniel R
authors: DR
authors: Gomez
authors: Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas.
authors: Falk
authors: F
authors: Poenisch
authors: Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas.
authors: Radhe
authors: R
authors: Mohan
mesh_terms: D000075202:Contraindications; D017147:Defibrillators, Implantable; D004868:Equipment Failure / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial; D061766:Proton Therapy