| HCC | hepatocellular carcinoma |
| LIHC | liver hepatocellular carcinoma |
| NMIRGs | nucleotide metabolism and immune-related genes |
| C1 | cluster 1 |
| DEGs | differentially expressed genes |
| TMB | tumor mutation burden |
| MSI | microsatellite instability |
| TCGA | The Cancer Genome Atlas |
| GEO | Gene Expression Omnibus |
| DAVID | Database for Annotation, Visualization, and Integrated Discovery |
| LASSO | Least Absolute Shrinkage and Selection Operator |
| MCPcounter | Microenvironment Cell Populations counter |
| ESTIMATE | Estimation of STromal and Immune cells in MAlignant Tumor tissues using Expression data |
| GSEA | Gene Set Enrichment Analysis |
| NMF | Non-Negative Matrix Factorization |
| PFS | progression-free survival |
| DCA | Decision Curve Analysis |
| ROC | Receiver Operating Characteristic |
| RAC3 | receptor-associated coactivator 3 |
| HSP90AA1 | heat shock protein 90 alpha family class A member 1 |
| BTC | betacellulin |
| MAPT | microtubule-associated protein tau |
| HDAC1 | histone deacetylase 1 |
| STC1 | stanniocalcin-1 |
| CHGA | chromogranin A |
| GAL | galanin and GMAP prepropeptide |
| GHR | growth hormone receptor |
| PD-1 | programmed cell death protein 1 |
| CTLA-4 | cytotoxic T-lymphocyte-associated protein-4 |
| ADORA2A | adenosine receptor A2a |