Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval resolution of wedge - shaped opacity at the right lung base , which likely represented atelectasis . Mild streaky opacities are present at bilateral lung bases , which likely represent atelectasis ; however , infection can not be excluded . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouettes and hilar contours are stable . There has been interval removal of an NG tube .
    OUTPUT:
    
Interval resolution of wedge - shaped opacity at right lung base ; however , with bibasilar streaky opacities that are likely atelectatic in nature , however , can not exclude infection given the appropriate clinical circumstance .