Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The diaphragms are flattened consistent with hyperinflation . A left - sided pacemaker has leads terminating in appropriate position . There is mild pulmonary edema ; however , it is significantly improved from ___ . There are no large pleural effusions and there is no evidence of pneumonia or pneumothorax . Cardiac size is enlarged but stable . A large hiatal hernia is again present .
    OUTPUT:
    
Mild pulmonary edema , but improved significantly from ___ .