Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left hemidiaphragm is obscured by a left basilar opacity , concerning for consolidation . Other linear bibasilar opacities are unremarkable with atelectasis . There is no pneumothorax or large pleural effusion . No bony abnormalities are seen .
    OUTPUT:
    
Left lower lobe pneumonia . Pneumothorax . Trace pleural effusion is seen .