Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal shadow is unchanged . Atherosclerotic changes of the aortic arch again noted . Mild interval improvement in the pulmonary edema . Left lower lobe atelectasis with a small associated pleural effusion again noted and slightly improved . Right lower lobe atelectasis improved , but there is a small residual effusion .
    OUTPUT:
    
Mild interval improvement of the pulmonary edema . Mild interval improvement in the basal atelectatic changes with small bilateral pleural effusions .