Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 09 : 12 is submitted .
    OUTPUT:
    
Tracheostomy tube , right internal jugular central line and feeding tube are unchanged in position , although the tip of the feeding tube is not identified on the current study . Lung volumes remain low with crowding of the pulmonary vasculature and patchy bibasilar opacities , left greater than right , and a small left effusion . No pneumothorax . No pulmonary edema .