LAUSR

51Background: Retaining quality of life in patients treated with SBRT for prostate cancer remains paramount. As such, balancing the benefits of treatment against the effects of therapy on patients is essential. The quality of life is influenced by the disease and treatment related burden. The EORTC QLQ-ELD14 (ELD14) is a validated questionnaire that can assess burden. This study reports burden trends in patients with prostate cancer treated with SBRT. Methods: All patients with localized prostate cancer treated with SBRT at Georgetown University Hospital from 2007 to 2016 were eligible for inclusion in this cross-sectional cohort. The ELD14 questionnaire was used to assess self-reported patient quality of life at time points before and following treatment. Initially, 267 patients (Median age of 70) responded to the ELD14 questionnaire. Approximately 30% received ADT. The specific questions reviewed for this study were focused on burden of disease and treatment. The responses to these questions were groupe...