Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lower lobe consolidation is worrisome for pneumonia . Subtle medial right base opacity may be due to atelectasis versus less likely an additional site of infection . No pleural effusion or pneumothorax is seen . There is no pulmonary edema . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Left lower lobe pneumonia .