Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is moderately enlarged . Mediastinal and hilar contours are similar . Mild pulmonary edema is not substantially changed in the interval . No pleural effusion , focal consolidation or pneumothorax is visualized . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary edema and moderate cardiomegaly , unchanged .