Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is severely enlarged unchanged from prior exam without evidence of fluid overload or interstitial edema . Mediastinal silhouette and hilar contours are stable . A left - sided dual lead pacer is unchanged in position . Retrocardiac consolidation with air bronchograms has increased compared to prior study with obliteration of the left hemidiaphragm with markedly increased density in the posterior lung fields on lateral view suspicious for pneumonia . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Interval increase in left lower lobe consolidation with air bronchograms compatible with pneumonia . Results were discussed over the telephone with Dr . ___ by Dr . ___ ___ at 15 : 25 on ___ , 5 minutes after discovery .