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The tumor features, focusing on primary NSCLC in both groups.
| Primary NSCLC | FF | FFF | P-value | Test |
|---|---|---|---|---|
| Number of lesions | 25 | 27 | ||
| Pathology | ||||
| Adenocarcinoma | 8 | 9 | 0.91 | χ2 |
| Squamous cell | 2 | 3 | ||
| Others | 0 | 0 | ||
| Unknown | 15 | 15 | ||
| Lesion texture | ||||
| GGO | 3 | 1 | 0.53 | χ2 |
| Part-solid | 3 | 4 | ||
| Solid | 19 | 22 | ||
| Tumor diameter | ||||
| Mean (range) | 22.9 (0–51) | 24.0 (4–60) | 0.68 | Unpaired t |
| T-Stage | ||||
| T0 | 3 | 1 | 0.65 | χ2 |
| T1A1 | 1 | 1 | ||
| T1A2 | 12 | 12 | ||
| T1A3 | 6 | 8 | ||
| T1B | 1 | 1 | ||
| T2A | 1 | 2 | ||
| T2B | 1 | 2 |
NSCLC, non-small cell lung carcinoma; GGO, ground glass opacity.
