Eric Chang, MD

Spatially Fractionated Radiation therapy (SFRT) and brachytherapy both have high dose heterogeneity featuring localized high-dose regions and steep dose gradients. While SFRT techniques such as GRID and Lattice intentionally create heterogeneous dose distribu...

Monthly TG-142 dosimetry quality assurance (QA) remains labor-intensive, creating workflow burden in high-throughput clinical environments. Although ion chamber arrays are widely available, their use for comprehensive TG-142 monthly dosimetry QA has not been...