Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . Increased opacities in the left lower lobe could reflect aspiration or early pneumonia in the appropriate clinical situation . The right lung is clear . The heart is normal in size . Mediastinal contours are unchanged with probably a tortuous descending thoracic aorta . No pneumothorax , edema , or pleural effusion . Multilevel degenerative changes in the thoracic spine are mild . Right old clavicular fracture .
    OUTPUT:
    
Left lower lobe opacities may reflect aspiration and / or early pneumonia in the appropriate clinical situation .