SS	sphenoid sinus (sinus sphenoidalis)
AI	artificial intelligence
VR	virtual reality
AR	augmented reality
CT	computed tomography
MRI	magnetic resonance imaging
CBCT	Cone Beam Computed Tomography
CTA	Computed Tomography Angiography
FESS	Functional Endoscopic Sinus Surgery
ICA	Internal carotid artery
HRCT	high-resolution computed tomography
CSF	cerebrospinal fluid
CN	cranial nerve(s)
PE	pterygoid recess
LE	lateral recess