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Qualitative analysis of type IV collagenase activity in various kinds of ascites
| Ascites type | MMP-2 (Positive cases) | MMP-9 (Positive cases) |
| Cirrhotic ascites | 0 | 0 |
| Tuberculous ascites | 0 | 0 |
| Malignant ascites | 20 | 18 |
| Gastric cancer | 5 | 5 |
| Colon cancer | 3 | 5 |
| Hepatocellular cancer | 2 | 1 |
| Pancreatic cancer | 1 | 0 |
| Ovarian cancer | 8 | 6 |
| Primary peritoneal carcinoma | 1 | 1 |
