| LA-HNC | Locally advanced head and neck cancer |
| SMA | Skeletal muscle area |
| SMM | Skeletal muscle mass |
| LSMI | Lumbar skeletal muscle index |
| C3 | Third cervical vertebra |
| L3 | Third lumbar vertebra |
| HU | Hounsfield unit |
| BMI | Body mass index |
| CT | Computed tomography |
| MRI | Magnetic resonance imaging |
| ICC | Intraclass correlation coefficient |
| SD | Standard deviation |
| IQR | Interquartile range |
| ACE–27 | Adult Comorbidity Evaluation 27 |
| ECOG | Eastern Cooperative Oncology Group |
| TNM | Tumor, node, metastasis |
| CI | Confidence interval |
| HR | Hazard ratio |