Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate the a focal area of consolidation in the posterior left lower lobe , consistent with pneumonia . The cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pulmonary edema , or pneumothorax .
    OUTPUT:
    
Focal left lower lobe pneumonia . The above findings were communicated to Dr . ___ by Dr . ___ ___ telephone at 9 : 20 am , ___ min after discovery .