Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there has been interval placement of a Swan - Ganz catheter with the tip slightly beyond the mediastinum . Mild cardiomegaly is unchanged . Irregular bilateral lung opacities are stable . Chronic pleural thickening is unchanged . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
Interval placement of Swan - Ganz catheter with tip slightly beyond the mediastinum , for which consideration of withdrawing a few centimeters is recommended . These findings were discussed with Dr . ___ by Dr . ___ ___ telephone on ___ at 4 :30 PM , at time of discovery .