Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: One AP portable upright view of the chest . There are bilateral deformities of the glenohumeral joints . The upper lung zones are clear . There is slight increase in interstitial markings compared to prior study which may represent mild interstitial edema . No pleural effusions . No pneumothorax . The cardiac , mediastinal , and hilar contours are normal .
    OUTPUT:
    
Likely mild interstitial pulmonary edema .