Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New left upper lobe and left lower lobe heterogeneous opacities are concerning for pneumonia . There is stable hyperexpansion of the lungs compared with ___ . Normal heart size , mediastinal and hilar contours . No pneumothorax .
    OUTPUT:
    
Left upper lobe and left lower lobe pneumonia . Recommend followup radiograph after treatment to document resolution .