BC	breast cancer
CXCR4	C-X-C chemokine receptor type 4
DFS	disease-free survival
E1	oestrone
E1S	oestrone sulphate
E2	oestradiol
EPC-1	early population doubling level cDNA-1
ER	oestrogen receptor
FAK	focal adhesion kinase
HER2	human epidermal growth factor receptor-2
MT1-MMP	membrane-type 1 matrix metalloproteinase
NFκB	nuclear factor kappa B
OATP	organic anion transport protein
PEDF	pigment epithelium-derived factor
p-NFκB-p65	phosphorylated-nuclear factor kappa B-p65 subunit
RANKL	receptor activator of nuclear factor kappa-Β ligand
RHOA	ras homolog family member A
RT	room temperature
SERPINF1	serpin family F member 1
STS	steroid sulfatase
TME	tumour microenvironment
TNBC	triple negative BC
TNF-α	tumour necrosis factor-alpha
uPA	urokinase-type plasminogen activator
uPAR	urokinase-type plasminogen activator receptor
VEGF	vascular endothelial growth factor