Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the chest radiograph obtained approximately 8 hours prior , the small to moderate left apical pneumothorax is minimally larger . A left - sided chest tube appears unchanged position . Moderate right and small left pleural effusions appear unchanged . Postoperative mediastinal widening and mild pulmonary vascular congestion are unchanged . Substantial bibasilar , right greater than left atelectasis are unchanged . A right - sided IJ central venous catheter is unchanged position and terminates in the mid SVC .
    OUTPUT:
    
Minimally increased , small to moderate left apical pneumothorax .