| MSI | Microsatellite instability |
| MSI-H | Microsatellite instability high |
| MSI-S | Microsatellite stable |
| MS loci | Microsatellite loci |
| IHC | Immunohistochemistry |
| PCR | Polymerase chain reaction |
| NGS | Next-generation sequencing |
| MMR | Mismatch repair |
| TMB | Tumor mutational burden |
| ROC | Receiver operating characteristic curve |
| AUC | Area under the curve |
| LR | Likelihood ratio |
| PPV | Positive predictive value |
| NPV | Negative predictive value |