Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy . A left chest wall single lead AICD is present as well as a left ventricular assist device . Low bilateral lung volumes . There are bilateral hazy opacities in keeping with mild pulmonary edema . Left lower lobe atelectasis .
    OUTPUT:
    
No significant interval change since the prior examination . Mild pulmonary edema .