Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the endotracheal tube . Lung volumes are grossly unchanged . Knee chest tube projects over the mediastinum . A right internal jugular catheter terminates in the proximal SVC . The Swan - Ganz catheter has been removed . There is persistent widening of the mediastinum , unchanged compared to the prior study . Slight interval improvement in the right pleural effusion . Persistent left lower lobe atelectasis . There are bilateral airspace opacities in the mid lungs which may reflect pulmonary edema versus infection . No pneumothorax seen .
    OUTPUT:
    
1 . Interval improvement in the right basal pleural effusion . 2 . New bilateral airspace opacities likely reflect pulmonary edema , infection can not be excluded .