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419例患者临床资料
Clinical characteristics of 419 patients
| Variable | n | % |
| Gender | ||
| Male | 250 | 59.7 |
| Female | 169 | 40.3 |
| Media age (yr) | 59 | |
| Pathology | ||
| Benign | 63 | |
| Granulomatous inflammation | 21 | 33.3 |
| Hamartoma | 11 | 17.5 |
| Nonspecific inflammation | 14 | 22.2 |
| Inflammatory pseudotumor | 3 | 4.8 |
| Sclerosing hemangioma | 4 | 6.3 |
| Others | 10 | 15.9 |
| Malignancy | 356 | |
| Squamous carcinoma | 78 | 21.9 |
| Adenocarcinoma | 194 | 54.5 |
| Small cell carcinoma | 23 | 6.5 |
| Metastatic tumor | 18 | 5.1 |
| Others | 43 | 12.0 |
