Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unchanged with mild tortuosity of the thoracic aorta again noted . There is minimal streaky atelectasis in the left lower lobe . No focal consolidation , pleural effusion or pneumothorax is identified . No acute osseous abnormality is detected . Cholecystectomy clips are again noted in the right upper quadrant of the abdomen .
    OUTPUT:
    
Streaky atelectasis in the left lower lobe .