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Distribution of ER, PR, and HER2 status between the primary tumor and recurrent lesions (N = 67).
| Biomarkers | ConcordanceN (%) | DiscordanceN (%) | Total discordanceN (%) | ||
|---|---|---|---|---|---|
| PL (+) | PL (−) | PL (+) | PL (−) | ||
| RL (+) | RL (−) | RL (−) | RL (+) | ||
| ER | 27 (40.3%) | 22 (32.8%) | 8 (11.9%) | 10 (14.9%) | 18 (26.9%) |
| PR | 11 (16.4%) | 30 (44.8%) | 17 (25.4%) | 9 (13.4%) | 26 (38.8%) |
| HER2 | 19 (29.7%) | 33 (49.3%) | 5 (7.5%) | 10 (14.9%) | 15 (22.4%) |
PL: Primary lesions; RL: Recurrent lesions.
