Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . The cardiac silhouette is enlarged and somewhat globular in appearance , which could be due to underlying pericardial effusion or cardiomyopathy . No focal consolidation is seen . There is no large pleural effusion or pneumothorax . Mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Enlarged cardiac silhouette somewhat globular in appearance , which could be due to underlying pericardial effusion or cardiomyopathy . No priors for comparison .