Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is patchy consolidation in the left upper lobe which is new since prior . Elsewhere , lungs are clear . Left chest wall triple lead pacing device is noted . Moderate cardiomegaly is similar in appearance . No acute osseous abnormalities , hypertrophic changes seen the spine .
    OUTPUT:
    
Left upper lobe consolidation compatible with pneumonia . Followup after treatment suggested to document resolution .