Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , the endotracheal tube and enteric tube have been removed . Additionally , the left - sided chest tube has been removed . A right internal jugular central venous catheter is in unchanged position with the tip in the mid SVC . Post - surgical changes from a prior CABG are noted in the mediastinum . There is minimal left basilar atelectasis and a possible tiny left pleural effusion . There is no focal airspace consolidation . There is no right pleural effusion . No pneumothorax is identified . The mediastinal contours are unchanged , and consistent with a normal post-operative appearance . The heart size is mildly enlarged , and unchanged .
    OUTPUT:
    
Status post left chest tube removal . No evidence of pneumothorax .