SIB	Simultaneous integrated boost
SBRT	Stereotactic body radiotherapy
RT	Radiotherapy
uhRT	Ultra-hypofractionated radiotherapy
VMAT	Volumetric modulated arc therapy
GTV	Gross tumour volume
PTV	Planning target volume
BP	Brachial plexus
FFLP	Freedom from local progression
OS	Overall survival
VRR	Study-defined volumetric response rate
RIBP	Radiation-induced brachial plexopathy
EQD2	Equivalent dose in 2 Gy fractions
nCR	Near-complete volumetric response
PR	Partial response
SD	Stable disease
PD	Progressive disease
CIF	Cumulative incidence function
NTCP	Normal tissue complication probability
CTCAE	Common Terminology Criteria for Adverse Events