Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest film ___ at 11 :22 is submitted .
    OUTPUT:
    
Heart remains enlarged . Mediastinal contours are likely unchanged given differences in patient rotation . There is improved aeration at the left base and residual streaky opacities at the right base which may reflect scarring or subsegmental atelectasis . No new airspace consolidation is seen . No pulmonary edema or pneumothorax . No large effusions . Degenerative changes of both glenohumeral joints .