| 5-FU | 5-fluorouracil |
| ADC(s) | antibody–drug conjugate(s) |
| AE | adverse event |
| AJCC | American Joint Committee on Cancer |
| AKT | protein kinase B |
| ALK | anaplastic lymphoma kinase |
| ALT | alanine aminotransferase |
| AST | aspartate aminotransferase |
| ATM | ataxia telangiectasia mutated |
| BID | twice daily |
| BRAF | B-Raf proto-oncogene, serine/threonine kinase |
| BRCA | breast cancer susceptibility gene |
| BRCA1/2 | breast cancer gene 1/2 |
| BTC | biliary tract cancer |
| CA19-9 | carbohydrate antigen 19-9 |
| CBC | complete blood count |
| CCI | Charlson Comorbidity Index |
| CD28 | cluster of differentiation 28 |
| CD86 | cluster of differentiation 86 |
| cfDNA | circulating cell-free DNA |
| CI | confidence interval |
| CRC | colorectal cancer |
| CRT | chemoradiotherapy |
| ctDNA | circulating tumor DNA |
| dMMR | deficient mismatch repair/mismatch repair deficiency |
| DNA | deoxyribonucleic acid |
| DDR | DNA damage repair |
| DOR | duration of response |
| DXd | deruxtecan payload |
| ECG | electrocardiogram |
| ECOG | Eastern Cooperative Oncology Group |
| EGFR | epidermal growth factor receptor |
| EMT | epithelial–mesenchymal transition |
| ERBB2 | Erb-B2 receptor tyrosine kinase 2 |
| ERK | extracellular signal-regulated kinase |
| EU | European Union |
| EUS | endoscopic ultrasound |
| FGFR2 | fibroblast growth factor receptor 2 |
| FOLFIRI | folinic acid, fluorouracil, and irinotecan |
| FOLFIRINOX/mFOLFIRINOX | folinic acid, fluorouracil, irinotecan, and oxaliplatin/modified FOLFIRINOX |
| FOLFOX | folinic acid, fluorouracil, and oxaliplatin |
| GAP | GTPase-activating protein |
| G-CSF | granulocyte colony-stimulating factor |
| GEF | guanine nucleotide exchange factor |
| GDP | guanosine diphosphate |
| GI | gastrointestinal |
| GTP | guanosine triphosphate |
| HER2 | human epidermal growth factor receptor 2 |
| HRD | homologous recombination deficiency |
| HRR | homologous recombination repair |
| ICI(s) | immune checkpoint inhibitor(s) |
| IHC | immunohistochemistry |
| ILD | interstitial lung disease |
| iRECIST | immune Response Evaluation Criteria in Solid Tumors |
| ISH | in situ hybridization |
| KRAS | Kirsten rat sarcoma viral oncogene homolog |
| LFTs | liver function tests |
| LV | leucovorin |
| MAPK | mitogen-activated protein kinase |
| MEK | mitogen-activated protein kinase kinase |
| MHC-II | major histocompatibility complex class II |
| MRI | magnetic resonance imaging |
| MSI(-H) | microsatellite instability(-high) |
| (m)TMB | (measured) tumor mutational burden |
| MTD | maximum tolerated dose |
| mTOR | mechanistic target of rapamycin |
| Nab-paclitaxel | nanoparticle albumin-bound paclitaxel |
| NALIRIFOX | liposomal irinotecan, fluorouracil, leucovorin, and oxaliplatin |
| Nal-IRI | nanoliposomal irinotecan |
| NF-κB | nuclear factor kappa B |
| NGS | next-generation sequencing |
| NRAS | neuroblastoma RAS viral oncogene homolog |
| NRG1 | neuregulin 1 |
| NSCLC | non-small-cell lung cancer |
| NTRK1/2/3 | neurotrophic tyrosine receptor kinase 1/2/3 |
| ORR | objective response rate |
| OS | overall survival |
| PALB2 | partner and localizer of BRCA2 |
| PARP | poly(ADP-ribose) polymerase |
| PD-1 | programmed cell death protein 1 |
| PD-L1 | programmed death-ligand 1 |
| PDAC | pancreatic ductal adenocarcinoma |
| PFS | progression-free survival |
| PI3K | phosphoinositide 3-kinase |
| QoL | quality of life |
| RAL | RAS-like proto-oncogene |
| RAF | rapidly accelerated fibrosarcoma kinase |
| RAS | rat sarcoma viral oncogene homolog |
| R0 | microscopically margin-negative resection |
| R1 | microscopically margin-positive resection |
| RECIST (1.1) | Response Evaluation Criteria in Solid Tumors (version 1.1) |
| RET | rearranged during transfection |
| RNA | ribonucleic acid |
| RP2D | recommended phase II dose |
| RTK | receptor tyrosine kinase |
| SBRT | stereotactic body radiotherapy |
| SHP2 | Src homology region 2-containing protein tyrosine phosphatase 2 |
| SOS | son of sevenless homolog |
| TAS-102 | trifluridine/tipiracil |
| TCR | T-cell receptor |
| T-DXd | trastuzumab deruxtecan |
| TEAE | treatment-emergent adverse event |
| TSH | thyroid-stimulating hormone |
| US | United States |
| VTE | venous thromboembolism |