Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates hyperexpanded lungs . Small bilateral pleural effusions and bibasilar atelectasis larger on the right have markedly decreased in size . There is mild vascular congestion superimposed on a background of chronic interstitial changes . Cardiomediastinal and hilar contours are unchanged . Left apical loculated hydro-pneumothorax and apical consolidation are unchanged . No pneumothorax .
    OUTPUT:
    
1 . No pneumothorax . 2 . Mild vascular congestion superimposed on a background of chronic interstitial changes . 3 . Small residual bilateral pleural effusions and bibasilar atelectasis , markedly decreased in size