Table 2 Comparison of HER2 status as assessed by IHC in 102 primary gastric carcinomas and their corresponding lymph node metastases
LN metastatic site | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Negative | % | Equivocal (2+) | % | Positive | % | Total | % | ||
(0, 1+) | (3+) | ||||||||
Primary tumor | |||||||||
Negative | (0, 1+) | 62 | 60.8 | 6 | 5.8 | 2 | 2.0 | 70 | 68.6 |
Equivocal | (2+) | 2 | 2.0 | 2 | 2.0 | 3 | 2.9 | 7 | 9.6 |
Positive | (3+) | 4 | 3.9 | 4 | 3.9 | 17 | 16.7 | 25 | 24.5 |
Total | 68 | 66.6 | 12 | 11.8 | 22 | 21.6 | 102 | 100 | |