Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is tortuous . The mediastinal and hilar contours are otherwise unremarkable . The pulmonary vasculature is not engorged . Minimal streaky retrocardiac atelectasis noted . No focal consolidation , pleural effusion or pneumothorax is seen . A nipple shadow projects over the right lung base . A remote healed mid left clavicular fracture is noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .