Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . In comparison to the prior study there is partial obscuration of the left heart border and increased retrocardiac opacities with air-bronchograms , consistent with presence of consolidation in the lingula . The right lung is clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Lingular opacity is consistent with pneumonia in the appropriate clinical context . Recommend followup chest x-ray in ___ weeks to document resolution after antibiotic therapy .