Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A large - bore right internal jugular catheter terminates in the proximal SVC . Lung volumes are unchanged compared the prior study with persistent left lower lobe atelectasis . There has been an increase in the extent of the right mid lung airspace opacity , while this may reflect asymmetric pulmonary edema appearances are concerning for infection . Persistent enlargement of the mediastinum with previous median sternotomy noted . No pneumothorax seen .
    OUTPUT:
    
Increased airspace opacity in the right mid lung may reflect asymmetric pulmonary edema however the appearances are concerning for infection .