AI	Artificial intelligence
ART	Adaptive radiotherapy
ATP	Adapt to position
ATS	Adapt to shape
CBCT	Cone-beam computed tomography
CT	Computed tomography
CTV	Clinical target volume
DIR	Deformable image registration
DVH	Dose–volume histogram
EF5	Pentafluorinated etanidazole
FAZA	Fluoroazomycin arabinoside
FMISO	Fluoromisonidazole
GI	Gastrointestinal
GU	Genitourinary
IGRT	Image-guided radiotherapy
IMRT	Intensity-modulated radiotherapy
IOE	Intelligent optimization engine
MRI	Magnetic resonance imaging
OAR	Organ at risk
PET	Positron emission tomography
PTV	Planning target volume
QA	Quality assurance
SBRT	Stereotactic body radiotherapy
SMART	MRI-guided stereotactic body radiation treatment
VMAT	Volumetric-modulated arc therapy