95%CI	95% Confidence interval	MPM	Medial pterygoid muscle
BOT	Base of tongue	MRI	Magnetic resonance imaging
CT	Computerized tomography	OPSCC	Oropharyngeal squamous cell carcinoma
FDG	18F-Fluorodeoxyglucose	PET/CT	Positron emission tomography/computerized tomography
GEE	Generalized estimating equations	PT	Palatine tonsil
GGM	Genioglossus muscle	SGM	Styloglossus muscle
GHM	Geniohyoid muscle	SMG	Submandibular gland
HPV	Human papillomavirus	SPM	Stylopharyngeus muscle
ICA	Internal carotid artery	SPOT-US	Surgeon-Performed Oropharyngeal Transoral UltraSonography
ITM	Intrinsic tongue muscles	UICC8	Union for International Cancer Control 8 th Edition
MDT	Multidisciplinary team	US	Ultrasonography