Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is present . Minimal linear opacity in the right lung base likely reflects subsegmental atelectasis . No displaced fractures are identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality .