How do you approach the treatment of patients with unresectable paransasal sinus cancers in close proximity to the critical structures of the base of skull?

These (SCC of the BOS/sinonasal) are rare, complex and generally have poor outcomes (low 2 digit survival %). Optic nerve/chiasm, pituitary and cochlear organs are at risk and must be carefully considered. Careful review of imaging with the radiologists (MRI and CT) is recommended. Avoid more than 1...