| 5-FU | 5-fluorouracil |
| ADCC | antibody dependent cell mediated cytotoxicity |
| ATRA | all-trans retinoic acid |
| c-FLIP | cellular FLICE-inhibitory protein |
| CAR | chimeric antigen receptor |
| CCL | C-C motif chemokine ligand |
| CCR | C-C chemokine receptor |
| CD | cluster of differentiation |
| COX2 | cyclooxygenase 2 |
| CSF1 | colony stimulating factor 1 |
| CSF1R | colony stimulating factor 1 receptor |
| CXCL | C-X-C motif chemokine ligand |
| CXCR | C-X-C motif chemokine receptor |
| EGF | epidermal growth factor |
| EwS | Ewing sarcoma |
| EWSR1-FLI1 | Ewing sarcoma breakpoint region 1-friend leukemia integration 1 |
| EZH2 | enhancer of zeste homolog 2 |
| Fc | fragment crystallizable |
| FLICE | FADD-like IL1-β-converting enzyme |
| GMR4 | glutamate metabotropic receptor 4 |
| HER-2 | human epidermal growth factor receptor 2 |
| HDAC | histone deacetylase |
| HLA-DR | human leukocyte antigen DR isotype |
| HSPC | hematopoietic stem and progenitor cell |
| IDO1 | indoleamine 2,3-dioxygenase 1 |
| IF | immunofluorescence |
| IFN-γ | interferon-γ |
| IGF | insulin-like growth factor |
| IGF1R | insulin-like growth factor receptor 1 |
| IHC | immunohistochemistry |
| IL | interleukin |
| JAK | Janus kinase |
| LAG3 | lymphocyte activating gene 3 |
| MARCO | macrophage receptor with collagenous structure |
| MALDI-IMS | matrix-assisted laser desorption/ionization- imaging mass spectrometry |
| MCP1 | monocyte chemoattractant protein-1 |
| MCPcounter | microenvironment cell populations-counter |
| MDSC | myeloid-derived suppressor cells |
| MELC | multi-epitope-ligand cartography |
| MHC | major histocompatibility complex |
| M-MDSC | monocytic myeloid-derived suppressor cells |
| MMP9 | matrix metalloproteinase 9 |
| NA | non amplified |
| NBL | neuroblastoma |
| OS | osteosarcoma |
| P2 × 7R | P2X-Purinoreceptor 7 |
| PD-1 | programmed cell death protein 1 |
| PD-L1 | programmed cell death protein ligand 1 |
| PI3Kγ | phosphatidyl-inositol 3 kinase γ isoform |
| PMN-MDSC | polymorphonuclear myeloid-derived suppressor cells |
| PRC2 | polycomb receptor complex 2 |
| RMS | rhabdomyosarcoma |
| RNAish | RNA in situ hybridization |
| ROS | reactive oxygen species |
| SIRPα | signal-regulatory protein alpha |
| STAT3 | signal transducer and activator of transcription 3 |
| TAM | tumor associated macrophages |
| TAN | tumor associated neutrophils |
| TCR | T-cell receptor |
| TGCT | tenosynovial giant cell tumor |
| TGF-β | transforming growth factor β |
| TLS | tertiary lymphoid structure |
| TME | tumor microenvironment |
| TNFα | tumor necrosis factor α |
| TRAIL | tumor necrosis factor-related apoptosis inducing ligand |
| TRUCK | T cells redirected for universal cytokine killing |
| UPS | undifferentiated polymorphic sarcoma |
| USP6 | ubiquitin-specific protease 6 |
| VEGF | vascular endothelial growth factor |
| VEGFR | vascular endothelial growth factor receptor |