Efficacy, outcomes, and complication rates of different surgical and nonsurgical treatment modalities for recurrent/residual oropharyngeal carcinoma: A systematic review and meta-analysis.

Outcomes have improved considerably over the last 2 decades, resulting in approximately 50% overall 5-year survival. Human papillomavirus (HPV) status, patient selection, and improvements in care may explain this. © 2016 The Authors Head & Neck Published by Wiley Periodicals, Inc. Head Neck, 2016 © 2016 Wiley Periodicals, Inc. Head Neck 38: 1855-1861, 2016.