Table 2.
Distribution of HIF-1α expression among well differentiated (WD) and poorly differentiated (PD) oropharyngeal squamous cell carcinoma surgical biopsies
| WD | PD | ||
|---|---|---|---|
| Number of cases | 15 | 8 | 7 |
| HIF-1α positive | 6 | 3 | 3 |
| HIF-1α negative | 9 | 5 | 4 |
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