Analyzing changes in radiotherapy treatment planning error reporting during the COVID-19 pandemic.

The 2019 coronavirus (COVID-19) pandemic has affected medical physics and radiation oncology departments and the delivery of radiation therapy. Among the changes implemented in response to the onset of the pandemic was a shift to remote treatment planning by health care institutions. The purpose of this study was to determine whether the overall frequency of errors changed after the implementation of remote radiation therapy treatment planning during the COVID-19 pandemic.