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p53: Tumor protein p53; EGFR: estimated glomerular filtration rate; CK20: cytokeratin 20
| Biomarker | Treatment Response | Recurrence |
| p53 | ||
| -Positive | 84 (70.0) | 22 (18.3) |
| -Negative | 48 (88.9) | 6 (11.1) |
| Ki-67 | ||
| -High expression | 72 (66.7) | 24 (22.2) |
| -Low expression | 60 (90.9) | 4 (6.1) |
| EGFR | ||
| -Overexpression | 60 (62.5) | 20 (20.8) |
| -Normal expression | 72 (92.3) | 8 (10.3) |
| CK20 | ||
| -Positive | 96 (75.0) | 24 (18.8) |
| -Negative | 36 (85.7) | 4 (9.5) |
