RT	Radiotherapy
HDRT	high-dose radiation therapy
LDRT	low-dose radiation therapy
PBMC	peripheral blood mononuclear cells
PBL	peripheral blood lymphoid cells
TREGs	regulatory T cells
PMN	polymorph nuclear cells
NK cells	natural killer cells
PIT staining	propidium iodide in the presence of triton staining
AxPI staining	FITC-labeled AnnexinV and propidium iodide staining
IQR	interquartile range
DNA	deoxyribonucleic acid
DSB	double strand break
ROS	reactive oxygen species