TH-E-BRA-11: Real-Time Tumor Localization with Kilovoltage Intrafraction Monitoring: First Clinical Implementation for Prostate Intensity Modulated Arc Therapy

Purpose: We have proposed a novel real-time tumor localization method, kilovoltage (kV) intrafraction monitoring (KIM), in which the intrafraction 3D tumor position is continuously measured during intensity modulated arc therapy (IMAT) by a gantry-mounted kV x-ray imager. This study reports the first clinical implementation of this method in patients with localized prostate cancer. Methods: In an ethics-approved study, 10 prostate cancer...