Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 15 :35 are submitted .
    OUTPUT:
    
Right internal jugular central line and left pleural pigtail catheter are unchanged in position . The right lung remains well inflated and clear . There are stable postoperative changes in the left hemithorax with patchy opacity at the base and consistent with lpartial ower lobe atelectasis and residual left pleural collection . Overall cardiac and mediastinal contours are likely stable given differences in patient positioning . No definite pneumothorax is seen .