Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is a heterogeneous opacity in the left lower lobe concerning for pneumonia . The right lung is clear . There is no pneumothorax or pleural effusion . The cardiac , mediastinal and hilar contours are normal .
    OUTPUT:
    
Left lower lobe pneumonia . These findings were discussed with Dr . ___ at 3 :23 p .m . on ___ by telephone .