Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is now extubated . Also removed is a Swan - Ganz catheter and NG tube . The chest tube is unchanged in position . A venous introducer sheath is seen in the right internal jugular vein . There is overall improvement in the left upper lobe opacity with the mediastinum now appearing more transparent . The right lung is grossly clear . The cardiomediastinal contour is stably widened .
    OUTPUT:
    
Interval improvement of left - sided airspace opacity .