Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small foci of linear atelectasis in the mid right lung and lower left lung are noted . Lungs are otherwise clear . Bilateral pleural effusions have almost completely resolved . Heart size is normal . Cardiomediastinal hilar silhouettes are normal . A small linear density projects just inferior to the left mainstem bronchus , new since ___ , but present in all radiographs obtained during ___ .
    OUTPUT:
    
Nearly resolved bilateral pleural effusions . Aside from small foci of linear atelectasis , lungs are clear . A linear radiodensity projecting just inferior to the left mainstem bronchus may be post procedural .