Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are lower . Slight interval increase in opacities , particularly in the left lung , suggesting asymmetric edema , although aspiration / pneumonia can not be definitely excluded . Atelectasis is worse with slight elevation of the left hemidiaphragm . The heart is mildly enlarged , more so since yesterday . The mediastinal pulmonary vasculature is more prominent . No pneumothorax . Clips projecting over the right axilla and supraclavicular region are unchanged . Left single lead cardiac device is intact and unchanged in position , tip ending in the right ventricle . Aortic knob calcifications are unchanged . The thoracic aorta is slightly tortuous or ectatic , unchanged .
    OUTPUT:
    
Interval worsening of probably asymmetric edema in the left lung and lower lung volumes .