title: Use of different urethrogram protocols can influence the definition of planning target volume inferior margin in prostate cancer radiotherapy. In regard to Liu et al.: prostate movement during simulation resulting from retrograde urethrogram compared with "natural" prostate movement (INT J RADIAT ONCOL BIOL PHYS 2004;60:470-475).
authors.forename: Elvio G
authors.initials: EG
authors.lastname: Russi
authors.forename: Riccardo Vigna
authors.initials: RV
authors.lastname: Taglianti
authors.forename: Claudia
authors.initials: C
authors.lastname: Airaldi
mesh_terms: D006801:Humans; D008297:Male; D009068:Movement; D011467:Prostate / Q000000981:diagnostic imaging*; D011471:Prostatic Neoplasms / Q000000981:diagnostic imaging / Q000532:radiotherapy; D011880:Radiotherapy Planning, Computer-Assisted; D014521:Urethra / Q000000981:diagnostic imaging*; D014567:Urography / Q000379:methods