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| Characteristic | MALT | DLBCL | Total No. |
|---|---|---|---|
| Case No. | 9 | 7 | 16 |
| Misdiagnosis | |||
| Lung cancer | 2 | 7 | 9 |
| Pneumonia | 5 | 0 | 5 |
| Tuberculosis | 1 | 0 | 1 |
| Diffuse interstitial lung disease | 1 | 0 | 1 |
| Confirmed by | |||
| Open lung | 0 | 2 | 2 |
| Vast | 5 | 2 | 7 |
| Percutaneous lung biopsy | 1 | 4 | 5 |
| Bronchoscopic biopsy | 1 | 1 | 2 |
DLBCL, diffuse large B-cell lymphoma; MALT, mucosa-associated lymphoid tissue lymphoma.
