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Correlation between estrogen receptor and progesterone receptor status of metastatic lymph node with estrogen receptor and progesterone receptor status of primary tumor
| Tumor mass | Lymph node (%) | χ2, P | ||
|---|---|---|---|---|
| ER+ and PR+ | ER+ and PR− | ER− and PR− | ||
| ER+ and PR+ | 21 (35) | 1 (1.67) | 1 (1.67) | 84.53, 0.0001 (significant) |
| ER+ and PR− | 0 (0) | 1 (1.67) | 0 (0) | |
| ER− and PR− | 0 (0) | 0 (0) | 36 (60) | |
| Total | 21 (35) | 2 (3.33) | 37 (61.67) | |
ER: Estrogen receptor; PR: Progesterone receptor
