Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 16 :31 is submitted .
    OUTPUT:
    
Feeding tube courses below the diaphragm with the tip projecting over the stomach . Left subclavian central line is unchanged in position . Overall cardiac and mediastinal contours are stable given patient rotation . Lung volumes remain low with stable bibasilar predominantly linear opacities favoring scarring or subsegmental atelectasis . No pneumothorax . No large effusions . No pulmonary edema .