Abstract Purpose Online Adaptive Radiation Therapy (oART) follows a different treatment
paradigm than conventional radiotherapy, and because of this, the resources …

Stereotactic body radiotherapy (SBRT) of lung tumors via the ring‐mounted Halcyon Linac, a
fast kilovoltage cone beam CT‐guided treatment with coplanar geometry, a single energy …

Cone beam CT‐guided prostate stereotactic body radiotherapy (SBRT) treatment on the
recently installed novel O‐ring coplanar geometry Halcyon Linac with a single energy 6MV …

Purpose/objectives This work seeks to evaluate the plan quality, treatment delivery
efficiency, and accuracy of single‐isocenter volumetric modulated arc therapy (VMAT) of …

Abstract Purpose The recently released Ethos therapy system (Varian Medical Systems)
allows for online CBCT‐guided adaptive radiation therapy (RT). The clinical introduction of …

Introduction The use of flattening filter free (FFF) beams generated by standard linear
accelerators is increasing in the clinical practice. The radiation intensity peaked toward the …

Purpose Modern radiotherapy techniques often deliver small radiation fields. In this work, a
practical Electron Paramagnetic Resonance (EPR) dosimetry protocol is adapted and …

BACKGROUND: Varian Medical Systems has introduced a new medical linear accelerator
called Halcyon TM 2.0, which is based on the ring delivery system (RDS). It is a true IGRT …

Stereotactic body radiotherapy (SBRT) treatment of oligometastatic lesions via single-
isocenter/multi-target (SIMT) plan is more efficient than using multi-isocenter/multitarget …

This study aims to describe the steps needed to be made in develo** a commissioning
report of a Halcyon linear accelerator utilizing the manufacturer's golden beam data (GBD) …