Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . As previously noted , lung volumes remain low . There are subtle patchy opacities in the lungs bilaterally . There is possible left - sided pleural effusion . Left diaphragm is not clearly delineated . Prominence of the hila again noted . Cardiac silhouette is stable . Degenerative changes are again seen at the glenohumeral joints .
    OUTPUT:
    
Limited portable exam . Bilateral patchy opacities , potentially due to atelectasis given low lung volumes and ; however , pulmonary edema is also possible , underlying aspiration / infection difficult to exclude . Possible left effusion If possible , repeat two - view chest x-ray would help to further characterize .