| Characteristics | Number | Percent (%) |
---|---|---|---|
Malignant | Â | 18 | Â |
 | Gastric cancer | 9 | 50 |
 | Lung cancer | 9 | 50 |
 | Gender Male | 9 | 50 |
 |    Female | 9 | 50 |
 | Age < 60 | 7 | 39 |
 |    > 60 | 11 | 61 |
Benign | Â | 11 | Â |
 | Ascites | 4 | 36 |
 | Pleural | 7 | 64 |
 | Gender Male | 6 | 55 |
 |    Female | 5 | 45 |
 | Age < 60 | 6 | 56 |
 |    > 60 | 5 | 45 |
 | Diagnosis |  |  |
 | Liver Cirrhosis | 2 | 18 |
 | Tuberculosis | 3 | 27 |
 | Heart Failure | 3 | 27 |
 | Pneumonia | 2 | 18 |
 | Injury | 1 | 9 |