Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lung opacities that appeared between ___ and ___ have rapidly improved on today 's exam most likely representing aspiration or asymmetric pulmonary edema . There is still mild residual pulmonary congestion with bibasilar opacities which could represent atelectasis and small pleural effusion . There is no pneumothorax . Mild cardiac enlargement is stable . Right hemodialysis catheter has been removed and new left hemodialysis catheter 's distal end is pointing towards the distal right subclavian vein and not the superior vena cava .
    OUTPUT:
    
1 . Left lung opacity has rapidly improved , most likely representing asymmetric pulmonary edema or aspiration rather than infection . 2 . New left hemodialysis catheter is pointing towards right distal subclavian vein and not the superior vena cava . This has been discussed with Dr . ___ in the medical team .