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Serial changes in the serum levels of CYFRA and the size of the thymoma and volume of the pleural effusion on chest CT.
| Time points | Day | Size, mm | Reduction rate, % | Pleural effusion | CYFRA, ng/ml |
|---|---|---|---|---|---|
| At first visit | 0 | 110×60×50 | – | + | 12.7 |
| At CTNB | 6 | 100×55×44 | 26.7 | + | – |
| After CTNB (7 days) | 13 | 95×54×42 | 34.7 | – | – |
| After CTNB (1 month) | 35 | 80×36×30 | 73.8 | – | 0.8 |
CT, computed tomography; CYFRA, cytokeratin fragment; CTNB, CT-guided needle biopsy.
