Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . The lungs are hyperexpanded and the left basilar pneumonia has improved , but not cleared . The lingular is still opacified and has an irregular margin on the frontal view . The appearance on the lateral view is not charachteristic of a fat pad . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Improving left basilar pneumonia . However , it has not completely cleared and persistent opacity in the lingula warrants short follow - up chest radiographs in six weeks . If the consolidation has not cleared at that time , CT is recommended . Findings and recommendations were submitted to the radiology system for communication to the ordering physician .