Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are within normal limits . The trachea is central . Even allowing for the projection there is moderate cardiomegaly . Mild pulmonary vascular congestion but no overt pulmonary edema seen . No lobar consolidation , pleural effusion or pneumothorax seen .
    OUTPUT:
    
Cardiomegaly and pulmonary vascular congestion without overt pulmonary edema .