Hepatomegaly

causes:
- benign

• infection - viral hepatitis
• abscess
  
• congestive heat failure
• biliary tract obstruction - gallstone, CA pancreas
• Cirrhosis - hep B/C, alcohol, endocrine (haemochromatosis, wilsons), drug induced
  

- malignant

• primary
• secondary - metastatic

- physiological - reidels lobe