Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of multiple chest tubes . A right internal jugular catheter is unchanged in position compared to the prior study . Previous median sternotomy noted . No pneumothorax or pleural effusions seen . Patchy opacities of the bilateral lung bases consistent with mild pulmonary edema .
    OUTPUT:
    
No pneumothorax seen .