Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal and unchanged . Mediastinal contours are relatively stable . Pulmonary vascularity is normal , and the hilar contours are unremarkable . Low lung volumes are present . Minimal streaky bibasilar airspace opacities likely reflect mild atelectasis . Prominent left epicardial fat pad is noted . No pleural effusion or pneumothorax is identified . No acute osseous abnormalities are seen .
    OUTPUT:
    
Minimal patchy bibasilar airspace opacities likely reflect atelectasis . No focal consolidation noted .