Underascertainment of Clinically Meaningful Symptoms During Prostate Cancer Radiation Therapy—Does This Vary by Patient Characteristics?

Purpose It is well known that physicians underascertain chemotherapy-related toxicity compared with patient self-report. However, symptom underascertainment in radiation therapy and characterization of patient groups at increased risk for underascertainment have not been examined. Methods and Materials As part of routine clinical care, 7 urinary and gastrointestinal symptoms were prospectively collected with both patient-report outcomes (PROs)...