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EGFR, HER2, and HER3 immunohistochemistry scores of primary lesions and lymph node metastases of CRC.
| Lymph node metastases | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EGFR (n = 79) | HER2 (n = 79) | HER3 (n = 79) | |||||||||||||
| 0 | 1+ | 2+ | 3+ | 0 | 1+ | 2+ | 3+ | 0 | 1+ | 2+ | 3+ | ||||
| Primary lesions | 0 | 8 | 2 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 7 | 2 | 1 | 0 |
| 1+ | 3 | 9 | 4 | 1 | 1+ | 5 | 13 | 1 | 0 | 1+ | 0 | 2 | 1 | 0 | |
| 2+ | 2 | 8 | 31 | 1 | 2+ | 6 | 13 | 28 | 0 | 2+ | 5 | 5 | 41 | 0 | |
| 3+ | 0 | 1 | 4 | 5 | 3+ | 1 | 0 | 3 | 1 | 3+ | 2 | 0 | 4 | 9 | |
