To use patient self-report to provide more valid estimates of whether radiotherapy (RT) is underutilized than possible with registry data, as well as to evaluate for disparities and the influence of preferences and provider interactions.
Department of Radiation Oncology, University of Michigan, UHB2C490, SPC 5010, 1500 E Medical Center Dr, Ann Arbor, MI 48109-5010, USA. rjagsi@med.umich.edu
