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- There is poor serosal detail and a pot bellied appearance to the abdomen due to the presence of ascites. The type of effusion cannot be assessed from the radiograph.
- The gastric axis is displaced caudally by an enlarged liver.
- Causes of hepatomegaly and abdominal effusion include right-sided heart failure, infiltrative diseases (such as lymphoma, FIP) and cholangiohepatitis.
- Ultrasonography is useful in the investigation of causes of abdominal effusion, though biopsy is often required for a diagnosis.