Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP semi-erect chest film ___ at 15 40 is submitted .
    OUTPUT:
    
A feeding tube is seen coursing below the diaphragm with the tip not identified . Right subclavian PICC line has its tip in the distal SVC . Lung volumes are lower with increasing bibasilar opacities and layering effusions consistent with partial lobar atelectasis . Superimposed infection can not be excluded . The pulmonary vasculature is crowded but no overt pulmonary edema is seen . The patient 's mandible obscures the apices . No obvious pneumothorax .