Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate interval improvement in left lower lobe opacities . No new consolidation . No pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unchanged . Thoracic aorta is tortuous . Heart is not enlarged . There is no pulmonary edema .
    OUTPUT:
    
Left lower lobe opacities have improved since ___ exam . Repeat evaluation is recommended to document resolution .