For an extracranial schwannoma in the head and neck, what size cutoff do you use to guide your fractionation approach?  

Schwannomas are benign tumors that originate from Schwann cells.  While schwannomas can occur in various locations, about 25% to 45% are found in the extracranial head and neck region. In the head and neck, they can arise from cranial, peripheral, and autonomic nerves, often in the...