Incidence and outcomes of radiation-induced late cranial neuropathy in 10-year survivors of head and neck cancer.

•The median time to develop late cranial neuropathy is 7.7 years from the completion of head and neck cancer treatment.•The most common nerves afflicted are cranial nerves X and XII.•Late cranial neuropathy can significantly impact long term quality of life and survivorship and can potentially be fatal.•There are no risk factors of this phenomenon that could be identified in this analysis.