Table 1.
Immunohistochemistry analysis of BI-1 expression in clinical samples
| Category | Total number | Positive number | Positive percentage (%) | P value |
|---|---|---|---|---|
| Normal lung tissue | 14 | 0 | 0 | P < 0.05 |
| Primary lesion | 101 | 84 | 83.17 | |
| Metastasis lymph node | 38 | 30 | 78.95 |
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