| SCC | Squamous cell carcinoma |
| ROC | Receiver operating characteristic |
| 18F-FDG | 18F-fluorodeoxyglucose |
| PET/CT | Positron emission tomography/computed tomography |
| MTD | Maximum tumor diameter |
| SUVmax | Maximum standardized uptake value |
| SUVmean | Mean standardized uptake value |
| MTV | Metabolic tumor volume |
| TLG | Total lesion glycolysis |
| ICC | Intraclass correlation coefficient |
| AUC | Area under the curve |
| ORs | Odds ratios |