Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right IJ central line unchanged in position . Since the most recent radiograph , there is no significant change . Again seen are bilateral diffuse pulmonary opacities , more confluent in the right mid and lower lung zones which likely represent pulmonary edema ; however , infectious process can not be excluded . Again seen is a stable small left pleural effusion with some linear compressive atelectasis at the left base . There is no pneumothorax . Cardiac silhouette is slightly enlarged and unchanged .
    OUTPUT:
    
No significant change . Bilateral diffuse pulmonary opacities likely pulmonary edema ; however , infectious process can not be excluded . Small left pleural effusion .