| CCA | Cholangiocarcinoma |
| GO | Gene Ontology |
| MF | Molecular Function |
| BP | Biological Process |
| CC | Cellular Component |
| KEGG | Kyoto Encyclopedia Genes and Genomes |
| DAVID | Database for Annotation, Visualization and Integrated Discovery |
| GEO | Gene Expression Omnibus |
| DEG | Differentially Expressed Gene |
| TCGA | The Cancer Genome Atlas |
| HPA | Human Protein Atlas |
| CCND-1 | Cyclin D1 |
| MMP-2 | Matrix metalloproteinase 2 |