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Final diagnoses of the causes of pleural effusions in 172 patients
| Malignant neoplasms | No. | Non-malignant disease | No. |
|---|---|---|---|
| Adenocarcinoma | 42 | Inflammatory pleuritis | 16 |
| Squamous cell carcinoma | 12 | Pleuritis fibrosis and plaques | 6 |
| Mesothelioma | 10 | Pleural tuberculosis | 44 |
| Lymphoma | 4 | Fungal infection | 4 |
| Pleural metastasis of breast cancer | 4 | Chronic empyema | 6 |
| Undifferentiated cell carcinoma | 2 | Indeterminate origin disease | 4 |
| Small lung cancer | 16 | Chronic heart failure | 2 |
