Impact of the addition of chemotherapy to radiotherapy for oropharyngeal cancer in 2003–2004: Population‐based study from the Province of Ontario, Canada

BACKGROUND: Concurrent chemoradiotherapy (CRT) became the standard of care for locoregionally advanced head and neck cancers based on clinical trials but its effectiveness at the community level is not reported. METHODS: We conducted a population-based comparative effectiveness study of all 571 patients with oropharyngeal cancer in Ontario Canada (2003-2004) that describes the patients and the treatments and compares concurrent CRT to …