title: In Reply to King et al.
authors.affiliation: Associated Medical Professionals of NY, PLLC, Syracuse, New York.
authors.forename: Neil
authors.initials: N
authors.lastname: Mariados
authors.affiliation: Texas Oncology, The Texas Center For Proton Therapy, Irving, Texas.
authors.forename: Daniel A
authors.initials: DA
authors.lastname: Hamstra
mesh_terms: D006801:Humans; D020136:Hydrogel, Polyethylene Glycol Dimethacrylate / Q000008:administration & dosage*; D008297:Male; D058958:Organs at Risk / Q000528:radiation effects*; D011471:Prostatic Neoplasms / Q000532:radiotherapy*; D011832:Radiation Injuries / Q000517:prevention & control*; D011835:Radiation Protection / Q000295:instrumentation*; D061089:Radiotherapy, Image-Guided / Q000295:instrumentation*; D050397:Radiotherapy, Intensity-Modulated / Q000295:instrumentation*; D012007:Rectum / Q000528:radiation effects*
chemical_list: D020136:Hydrogel, Polyethylene Glycol Dimethacrylate