Evaluating the Implementation of a Comprehensive Multilevel Virtual Oncology Program Among Veterans Diagnosed With Lung, Colorectal, Prostate, and Breast Cancers in the US Department of Veterans Affairs

Study staff will use the Veterans Health Information Systems and Technology Architecture (VistA), the VA health information technology system, to identify eligible patients at VA sites based on listed inclusion and exclusion criteria. Patient records will be observed of Veterans with a new cancer diagnosis of the lung, prostate, breast, or colon and a telehealth visit utilizing the VA National TeleOncology Service (NTO).