Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a heterogeneous opacity in the left lower lobe concerning for pneumonia . Right lung is clear . There are no pleural effusions or pneumothorax . The cardiac , mediastinal , and hilar contours are normal .
    OUTPUT:
    
Left lower lobe pneumonia . These findings were discussed with ___ at 3 :30 p .m . on ___ by telephone .