Doctors who oversee cancer clinics say that new patients are arriving for treatment with more advanced disease than before the COVID-19 pandemic, according to a new survey from the American Society for Radiation Oncology (ASTRO). The national survey of radiation therapy practice leaders fielded this winter also indicates that treatment postponements and deferrals that were common a year ago have largely subsided and that clinics continue to use a variety of enhanced safety measures to protect their patients and staff.