The integration of adaptive radiation therapy (ART), or modifying the treatment plan during
the treatment course, is becoming more widely available in clinical practice. ART offers …

MRI can help to categorize tissues as malignant or non-malignant both anatomically and
functionally, with a high level of spatial and temporal resolution. This non-invasive imaging …

Abstract The Varian Ethos system allows for online adaptive treatments through the
utilization of artificial intelligence (AI) and deformable image registration which automates …

Background and purpose Studies have demonstrated the potential of online adaptive
radiotherapy (oART). However, routine use has been limited due to resource demanding …

Purpose Implementing new online adaptive radiation therapy technologies is challenging
because extra clinical resources are required particularly expert contour review. Here, we …

Purpose To evaluate prostate intrafraction motion using MRI during the full course of online
adaptive MR-Linac radiotherapy (RT) fractions, in preparation of MR-guided extremely …

External beam radiotherapy remains the primary treatment modality for localized prostate
cancer. The radiobiology of prostate carcinoma lends itself to hypofractionation, with recent …

Magnetic resonance‐guided radiation therapy (MRgRT) is a promising approach to
improving clinical outcomes for patients treated with radiation therapy. The roles of image …

Abstract Purpose: A 1.5 T MR Linac (MRL) has recently become available. MRL treatment
workflows (WF) include online plan adaptation based on daily MR images (MRI). This study …

Introduction MR-guided adapted radiotherapy (MRgART) using a high field MR-linac has
recently become available. We report the estimated delivered fractional dose of the first five …