Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged . The aorta remains tortuous . Pulmonary vasculature is not engorged . Lungs are hyperinflated without focal consolidation . No pleural effusion or pneumothorax is seen . No acute osseous abnormality is visualized .
    OUTPUT:
    
No evidence of congestive heart failure .