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| CTCs typing | Cells number | CXCR4 expression | P value | |
|---|---|---|---|---|
| Negative (%) | Positive (%) | |||
| Epithelial | 75 | 50 (66.7) | 25 (33.3) | <0.001 |
| Mixed | 206 | 63 (30.6) | 143 (69.4) | |
| Interstitial | 59 | 27 (45.8) | 32 (54.2) | |
| Total | 340 | 140 (41.2) | 200 (58.8) | |
CTC, circulating tumor cell.
