27-HC	27-hydroxycholesterol
AGR	anterior gradient
Akt	anti-apoptotic kinase
APC	adenomatous polyposis coli and
C3	complement C3
CA15-3	carbohydrate antigen 15-3
CA125	cancer antigen 125
CEA	carcinoembryonic antigen
cfDNA	cell-free DNA
COMP	collagen oligomeric matrix protein
CPXM1	carboxypeptidase X
CRP	C-reactive protein
DACH1	Dachshund homolog 1
DCIS	ductal carcinomas in situ
DFS	disease-free survival
ECM	extracellular matrix
ELISA	enzyme-linked immunosorbent assay
EMT	epithelial-mesenchymal transition
ER	estrogen receptor
EPIC	European Investigation into Cancer and Nutrition
FAK	focal adhesion kinase
HR	hormone receptor
HER2	human epidermal growth factor receptor 2
HOXA10	Homeobox protein Hox-A10
iNOS	inducible nitric oxide synthase
IDC	invasive ductal carcinomas
IHC	immunohistochemistry
JAK	Janus kinase
KNG1	kininogen-1
ncRNAs	non-coding RNAs
miRNAs or miR	microRNAs
mTOR	mammalian target of rapamycin
NCOA3	nuclear receptor co-activator 3
NK cell	natural killer cell
ORR	overall response rate
OS	overall survival
PALOMA3	Palbociclib Combined With Fulvestrant in Hormone Receptor-Positive HER2-Negative Metastatic Breast Cancer After Endocrine Failure
pCR	pathologic complete response
PCR	polymerase chain reaction
PD-1	programmed cell death protein 1
PD-L1	programmed death-ligand 1
PTEN	phosphatase and tensin homolog
PTN	pleiotrophin
PI3K	phosphoinositide-3-kinase
PFS	progression-free survival
PR	progesterone receptor
RASGRF1	Ras-specific guanine nucleotide-releasing factor 1
RAR-β2	retinoic acid receptors-β2
RFS	recurrence free survival
Rb	retinoblastoma
SHBG	sex hormone–binding globulin
SoFEA	Study of Faslodex Versus Exemestane With or Without Arimidex
SOS1	SOS Ras/Rac guanine nucleotide exchange factor 1
STAT	signal transducers and activators of transcription
TAAs	tumor-associated antigens
TAMs	tumor-associated macrophages
TFF	trefoil factor
Th cell	T helper cell
TIL	tumor-infiltrating lymphocytes
TMB	tumor mutation burden
TME	tumor microenvironment
TNBC	triple-negative breast cancer
Tregs	regulatory T cells
VEGF	vascular endothelial growth factor