Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright chest film ___ at 23 : 15 is submitted .
    OUTPUT:
    
Right subclavian PICC line is unchanged in position . A left chest tube remains in place . A tracheostomy tube remains in satisfactory position . There are layering bilateral effusions with patchy airspace disease , left greater than right , likely reflecting atelectasis . No pulmonary edema . No pneumothorax is appreciated , but this could be related to differences in patient positioning between studies as the pneumothorax on the prior study is small .