Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes , and bibasilar opacities . A feeding tube is in place , the tip of which extends below the level of the inferior margin of the film . A right upper extremity PICC is in place with its tip in the lower SVC . There has been interval exchange of a temporary hemodialysis catheter for a tunneled right chest hemodialysis catheter , the tip of which is in the right atrium . There is no pneumothorax . The pulmonary vasculature is notable for mild pulmonary edema , unchanged . Linear atelectasis is noted in the left mid lung .
    OUTPUT:
    
1 . Stable bibasilar opacities likely atelectasis , without pneumothorax . 2 . Interval exchange of a temporary hemodialysis catheter for a tunneled right chest hemodialysis catheter , the tip of which is in the right atrium . Other lines and tubes are stable . Findings were discussed with Dr . ___ at 5 :00 a .m .