Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest film ___ at 14 :08 is submitted .
    OUTPUT:
    
Endotracheal tube has its tip approximately 4 cm above the carina . Right internal jugular introducer has been removed . Lung volumes remain low with patchy opacities at both bases , right greater than left , likely representing bibasilar atelectasis , although pneumonia and aspiration should also be considered . Perihilar vasculature is prominent and the vasculature is somewhat indistinct suggesting the presence of mild interstitial edema . No pneumothorax .