Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate a left perihilar , upper lobe consolidation . There is no pleural effusion or pneumothorax . The heart size is normal .
    OUTPUT:
    
Left upper lobe pneumonia . Recommend follow - up chest radiograph in four weeks . Findings were relayed by Dr . ___ to ___ , nurse ___ Dr . ___ ___ by phone at 2 :05 p .m . on ___ . Follow - up recommendation was added to the critical results dashboard .