Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest film ___ at 15 :45 is submitted .
    OUTPUT:
    
Right internal jugular central line unchanged position . Overall cardiac and mediastinal contours are stable . Interval improvement in pulmonary edema with residual mild perihilar edema and patchy opacities at the bases likely reflecting atelectasis . Small left layering effusion . No pneumothorax . Gastric distension .