Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is patchy consolidation in the left upper lobe / lingula . Elsewhere , the lungs are clear . There is no effusion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities detected .
    OUTPUT:
    
Patchy consolidation in the left upper lobe compatible with pneumonia . Recommend repeat after treatment to document resolution .