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Expression of VEGF across grades of tumor.
| Diagnosis | Negative (%) | Weak (<10% of tumor cells positive) (%) | Moderate (10–50% of tumor cells positive) (%) | Strong (>50% of tumor cells positive) (%) | Total | P-value |
|---|---|---|---|---|---|---|
| Grade II | 2 (11.5) | 4 (23.5) | 6 (35.2) | 5 (29.4) | 17 | <0.02 |
| Grade III | 2 (12.5) | 4 (25.5) | 4 (25) | 6 (37.5) | 16 | |
| Grade IV | 1 (1.9) | 4 (7.8) | 23 (45) | 23 (45) | 51 | |
| Total | 5 (5.9) | 12 (14.2) | 33 (39.2) | 34 (40.4) | 84 |
VEGF: Vascular endothelial growth factor
