FACTSHPI PHYSICAL EXAMIMAGINGCase 1:FACTSEBVprior radiationHPI PHYSICAL EXAMIMAGING Figure 1: CTH showing the diffuse bifrontal edema of a midline invasive skull base SSCA/PChemotherapyPossible surgery Case 1:Example of extensive nasopharyngeal mass with transcranial extension, bilateral orbital involvement, and significant perineural spread