ARG1	Arginase 1
BC	breast cancer
CSF-1R	Colony stimulating factor receptor 1
DFS	disease-free survival
D-THP1	differentiated THP1 cells (macrophages)
ER	oestrogen receptor
GEM	gemcitabine
G-MDSCs	granulocytic myeloid-derived suppressor cells
HER2	human epidermal growth factor receptor 2
I.P.	intraperitoneal
I.V.	intravenous
IFNg	Interferon Gamma
IL4	Interleukin 4
iNOS	inducible Nitric Oxide Synthase
MDSC	myeloid-derived suppressor cells
M-MDSCs	monocytic myeloid-derived suppressor cells
OS	Overall Survival
PD-1	programmed cell death protein 1
PD-L1	programmed death ligand 1
PR	progesterone receptor
ROS	Reactive Oxygen Species
TAMs	tumour associated macrophages
TILs	tumour infiltrating lymphocytes
TME	tumour microenvironment
TNBC	triple negative breast cancer
TNFα	Tumour Necrosis Factor Alpha
T-regs	Regulatory T-cells