Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is severe cardiomegaly . The globular contour of the cardiac silhouette is suggestive but not diagnostic of pericardial effusion . There is no pulmonary edema . There is no focal lung consolidation . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Severe cardiomegaly , with a globular contour , suggestive but not diagnostic of pericardial effusion .