Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An epidural catheter is unchanged in position . Again seen are numerous surgical clips overlying the left upper hemithorax . The left pneumonectomy bed , demonstrating a mixture of gas and fluid , is minimally changed since the 9 :06 AM examination . There is persistent leftward shift of mediastinum . A small consolidation within the right upper lobe remains stable .
    OUTPUT:
    
1 . Minimal change of the left pneumonectomy bed in comparison to the 9 :06 examination . 2 . Unchanged right upper lobe consolidation .