FINDINGS:
The right lung is clear.  A stable tiny right-sided pleural
 effusion is observed, but there is no evidence of right-sided pneumothorax. 
 The patient is status post left total pneumonectomy, with leftward
 displacement of the mediastinum and a fluid occupied left hemithorax. 
 Multiple rib osteotomies as well as surgical clips are noted in the left side
 related to surgical procedure.  A pigtail catheter has  placed in the
 interval and ends in the mid left thorax.

IMPRESSION:
Interval placement of pigtail catheter in the left hemithorax.
 Otherwise unchanged from prior exam.