Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided chest tube is seen extending to the right apex and curving to extend to the medial right mid chest . There may be a trace right apical pneumothorax with chest tube in place . A battery pack overlies the left lower hemi thorax . Patient is status post median sternotomy and CABG . New right base opacity may be due to atelectasis however aspiration or infection are not excluded in the appropriate clinical setting .
    OUTPUT:
    
Right - sided chest tube with possible tiny right apical pneumothorax with chest tube in place . New medial right base opacity may be due to atelectasis however infection or aspiration are not excluded in the appropriate clinical setting .