Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is borderline enlarged . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Except for linear subsegmental atelectasis or scarring in the right lung base , the lungs are clear . No pleural effusion or pneumothorax is present . Cholecystectomy clips are demonstrated in the right upper quadrant of the abdomen . .
    OUTPUT:
    
No acute cardiopulmonary abnormality .