Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . There is mild enlargement of the cardiac silhouette . No focal consolidation is seen . There is no large pleural effusion or evidence of pneumothorax . Mediastinal and hilar contours are stable .
    OUTPUT:
    
Cardiomegaly without overt pulmonary edema .