Table 3. Multi-marker phenotype combinations of VEGF and EGFR in patients undergoing preoperative HDREB.
| VEGF | EGFR | Total (n) | No complete response | Complete response |
|---|---|---|---|---|
| Negative | Negative | 15 | 7 (46.7) | 8 (53.3) |
| Negative | Positive | 9 | 5 (55.6) | 4 (44.4) |
| Positive | Negative | 34 | 32 (94.1) | 2 (5.9) |
| Positive | Positive | 30 | 17 (56.7) | 13 (43.3) |
| Total | 88 | 61 | 27 |
EGFR=epidermal growth factor receptor; HDREB=high-dose-rate endorectal brachytherapy; VEGF=vascular endothelial growth factor.