Arg-1	arginase 1
CSFs	colony-stimulating factors
CCL2	C-C motif chemokine ligand 2
CCL5	C-C motif ligand 5
CCR2	C-C chemokine receptor type 2
CXCR2	C-X-C motif chemokine receptor 2
EMT	epithelial–mesenchymal transition
G-CSF	granulocyte colony-stimulating factor
GM-CSF	granulocyte/macrophage colony-stimulating factor
HIF1α	hypoxia-inducible factor 1-alpha
HGF	hepatocyte growth factor
IL-1β	interleukin-1beta
IL-6	interleukin-6
iNOS	inducible NO synthase
IFN-I	type I interferons
IL-4Rα	interleukin-4 receptor alpha
MDSCs	myeloid-derived suppressor cells
M-MDSCs	monocytic MDSCs
M-CSF	macrophage colony-stimulating factor
MMP	matrix metalloproteinase
Nox2	NADPH oxidase
NO	nitric oxide
Nos2	nitric oxide synthase 2
N1	tumor-suppressing neutrophils
N2	tumor-promoting neutrophils
NETs	neutrophil extracellular traps
PMN-MDSCs	polymorphonuclear MDSCs
PNT	peroxynitrite
PDAC	pancreatic ductal adenocarcinoma cell
PyMT	polyoma Middle T
PGE2	prostaglandin E2
PDE5	phosphodiesterase type 5
TNFα	tumor necrosis factor α
TME	tumor microenvironment
TGFβ	transforming growth factor beta
TAM	tumor-associated macrophages
ROS	reactive oxygen species
RTK	receptor tyrosine kinases
STAT3	signal transducer and activator of transcription 3