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The final study sample
| Sample type | Number of cases |
|---|---|
| Normal oral mucosa (gingiva) | 10 |
| OL with dysplasia | 10 |
| OSCC without LN metastasis | 15 |
| OSCC with LN metastasis | 15 |
| Total | 50 |
OSCC: Oral squamous cell carcinoma, LN: Lymph node, OL: Oral leukoplakia
