| cSCC | cutaneous squamous cell carcinoma |
| ECSCC | ear cutaneous squamous cell carcinoma |
| IMP3 | insulin-like growth factor 2 mRNA-binding protein 3 |
| LSCC | lip squamous cell carcinoma |
| LNM | lymph node metastasis |
| N+ | lymph node metastasis positive |
| N− | lymph node metastasis negative |