There is generalized or focal mucoperiosteal thickening in the nasal cavity.   [Yes/No]

There is focal area of mucoperiosteal thickening or a destructive, ulcerative or necrotic abnormality of the nasal septum turbinates or lateral walls of the nasal cavity.   [Yes/No]

There is infiltration of the fat surrounding the nasolacrimal sac either preseptal or postseptal.    [Yes/No]

There is soft tissue infiltration or bone erosion along the nasolacrimal fossa or canal.   [Yes/No]

There is infiltration in the posterior nasal cavity or sphenoethmoidal recess that is near to or protruding into the sphenopalatine foramen and pterygopalatine fossa.   [Yes/No]

There is evidence of bone erosion along the face of the sphenoid bone or pterygoid base or processes.   [Yes/No]

There is generalized mucoperiosteal thickening in the sinuses.   [Yes/No]

There is evidence of bone erosion especially at the junction of the lacrimal and ethmoid bones and along the face of the sphenoid sinus.   [Yes/No]

The fat planes in the canine fossa deep to the SMAS are infiltrated.   [Yes/No]

The extraconal orbital fat surrounding the infraorbital vascular bundle is infiltrated.   [Yes/No]

The orbital apex and the superior and inferior orbital fissures are infiltrated.   [Yes/No]

The fat pad posterior to the maxillary sinus and within the pterygopalatine fossa are infiltrated.   [Yes/No]

There is a deeply infiltrating, necrotic or ulcerative process of the nasopharynx.   [Yes/No]

There is evidence of inflammatory changes within the parapharyngeal fat of the nasopharynx.   [Yes/No]

The visualized portions of the brain are abnormal for the patient’s age.   [Yes/No]