%0 Journal Article %T Efficacy of Portable Bladder Ultrasound in Reducing CBCT Frequency During Pelvic Radiotherapy %A YÜCEL, M.C.B.. %A YAKAR, M. %A ÖZEN, A. %A ETİZ, D. %J Turk J Oncol %D 2026 %V 41 %P 186-192 %R 10.14744/hf.2026.4770