Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate interval improvement of pulmonary edema . Small pleural effusions remain . Hilar and mediastinal silhouettes are unchanged . The heart is mildly enlarged . Remote right - sided rib fracture is demonstrated . A subcentimeter calcified granuloma in the left lung base is present . No pneumothorax . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
In comparison to ___ exam , there is significant interval improvement of pulmonary edema .