Background: This study was performed to examine the association between hospital volume and mortality in people with disability. Methods: A retrospective cohort study was conducted using a data set linking the Korean National Health Service database, disability registration data, and Korean Central Cancer Registry data. Data was gathered from all patients undergoing the four major surgical procedures for cancer care during an 11-year period from 2003 to 2013. Results: For all procedures, patients with disability were more likely to visit low-volume hospitals compared with those without disabil ...