| KRT1 | Keratin-1 |
| PCR | polymerase chain reaction |
| OS | overall survival |
| RFS | recurrence-free survival |
| EMT | Epithelial–mesenchymal transition |
| HNSCC | head and neck squamous cell carcinoma |
| CCRT | concurrent chemoradiotherapy |
| FFPE | formalin-fixed paraffin-embedded |
| TCGA | The Cancer Genome Atlas |
| PFS | progression-free survival |
| APC | allophycocyanin |
| 7-AAD | 7-amino-actinomycin D |
| SLUG | Snail family transcriptional repressor 2 |
| ZEB | zinc finger E-box-binding homeobox |
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