| ASCO | American Society of Clinical Oncology |
| BTC | Biliary tract cancer |
| CCA | Cholangiocarcinoma |
| cfDNA | Circulating free DNA |
| ctDNA | Circulating tumor DNA |
| ESCAT | ESMO Scale of Actionability of Molecular Targets |
| ESMO | European Society of Medical Oncology |
| ERBB2 | Epidermal growth factor receptor 2 |
| FGFR2 | Fibroblast growth factor receptor 2 |
| GBC | Gallbladder cancer |
| GEC | Gastroesophageal adenocarcinoma |
| MRD | Minimal residual disease |
| MSI-H | Microsatellite instability—high |
| NGS | Next-generation sequencing |
| NTRK | Neurotrophic tyrosine receptor kinase |
| OS | Overall survival |
| PCR | Polymerase chain reaction |
| PDAC | Pancreatic ductal adenocarcinoma |
| PFS | Progression-free survival |
| VAF | Tumor somatic variant allelic frequency |