Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is top normal . The mediastinal and hilar contours are unremarkable . Linear opacity within the right middle lobe likely reflects subsegmental atelectasis . Lungs are otherwise clear . No pleural effusion or pneumothorax is present . Cholecystectomy clips are demonstrated in the right upper quadrant of the abdomen . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .