Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is at the upper limits of normal but stable compared to prior exam . The mediastinal contours are within normal limits . The previously described pulmonary vascular congestion has largely improved with perhaps slight residual venous hypertension . The lungs show no definite consolidation , although the lung volumes are low . Patchy lingular opacities are probably due to minor atelectasis or scarring without definite change . There is no pleural effusion or pneumothorax . Degenerative changes are seen throughout an osteopenic thoracic spine . Additionally , severe degenerative changes are seen in the right glenohumeral joint .
    OUTPUT:
    
Improvement of pulmonary edema and effusions described on ___ ; no definite evidence for pneumonia .