Individual and Cumulative Impacts of Diagnosis-to-Treatment Interval and Radiotherapy Interval on Survival in Nasopharyngeal Cancer.
OBJECTIVE To evaluate the impact of diagnosis-to-treatment interval (DTI) and radiotherapy interval (RTI) on overall survival (OS) in locally advanced nasopharyngeal carcinoma (LA-NPC) treated with concurrent chemoradiotherapy (CCRT). STUDY DESIGN Retrospective database study. SETTINGS Single tertiary academic cent...