Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A pulmonary arterial catheter , as well as its introducer , have been removed . Pulmonary edema has resolved . There is persistent retrocardiac opacification which probably reflects a combination of pleural effusion and atelectasis , perhaps somewhat decreased , however . A Calcified granuloma projects over the right lower lung versus nipple shadow . There is a small pleural effusion on the right .
    OUTPUT:
    
Resolution of pulmonary edema . Persistent left base opacification , probably due to atelectasis and some degree pleural effusion . Removal of pulmonary artery catheter .