Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph ___ at 13 :51 is submitted .
    OUTPUT:
    
Left pleural catheter remains in place . A tiny left apical pneumothorax has appeared . There continues to be a left pleural effusion with associated airspace opacity which could reflect partial lower lobe atelectasis , although pneumonia can not be excluded . Lungs remain hyperinflated suggesting underlying emphysema . There is mild perihilar vascular congestion but the interstitial edema has resolved . Overall cardiac and mediastinal contours are stable .