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Pathological characteristics of MBC and PLC
| Factors | MBC (n = 18) | PLC (n = 17) | p-value | |
|---|---|---|---|---|
| Lepidic or Papillary | present | 0 | 17 | <0.01 |
| absent | 18 | 0 | ||
| Fibrosis | high | 11 | 1 | <0.01 |
| middle/low | 7 | 16 |
Two-category comparison was performed by Fisher’s exact test. MBC: metastasis from breast cancer; PLC: primary lung cancer
