Table 3 Concordance of HER2 status between in the primary gastric adenocarcinomas and cell blocks of malignant effusions
HER2 status in primary tumor tissues | HER2 status in the cell blocks of malignant effusions | Total | |
|---|---|---|---|
Negative | Positive | ||
Negative | 40 (88.9%) | 3 (6.7%) | 43 (95.6%) |
Positive | 2 (4.4%) | 0 (0.0%) | 2 (4.4%) |
Total | 42 (93.3%) | 3 (6.7%) | 45 (100.0%) |