Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are unchanged compared to the prior study . The heart size is borderline enlarged . There are streaky retrocardiac opacities localizing to the left lower lobe on the lateral view , these are new when compared to the prior study and suspicious for pneumonia . No pneumothorax or pleural effusion seen . The visualized bony structures are unremarkable except to note posterior thoracic spine stabilization hardware .
    OUTPUT:
    
Left lower lobe consolidation . Recommend followup with repeat chest radiograph in ___ weeks following completion of treatment to ensure resolution .