Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . There is mild bibasilar atelectasis . Lungs are otherwise clear . Cardiomediastinal silhouette is stable in configuration . Previously identified right IJ central lines are no longer seen . Right - sided PICC identified with tip seen to at least the lower SVC ; however , exact tip can not be delineated due to overlying osseous structures . Severe degenerative changes at the shoulders bilateral in addition to multiple bilateral rib fractures and probable right thoracotomy changes .
    OUTPUT:
    
Bibasilar opacities suggestive of atelectasis , although a component of infection can not be excluded .