Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is borderline enlarged . The mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Apart from mild left basilar atelectasis , the lungs are clear without focal consolidation . No pleural effusion or pneumothorax is detected . No subdiaphragmatic free air is present . No acute osseous abnormality is seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .