ANOVA	Analysis of variance
ATR	Ataxia telangiectasia and rad3-related
Bax	Bcl-2-associated X
Bcl-2	B-cell lymphoma 2
BSA	Bovine serum albumin
CHK1	Checkpoint kinase 1
DAPI	4′,6-diamino-2-phenylindole
FITC	Fluorescein isothiocyanate
PBT	Proton beam therapy
DSB	Double strand break
HRR	Homologous recombination repair
NHEJ	Non-homologous end joining
PARP	Poly(ADP-ribose)polymerase
RT	Radiation therapy
siRNA	Small interfering ribonucleic acid
TNBC	Triple negative breast cancer