Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 05 : 15 is submitted .
    OUTPUT:
    
Endotracheal tube appears to have its tip approximately 2 .8 cm above the carinal . Left subclavian central line is unchanged in position . A feeding tube is seen coursing below the diaphragm with the tip not identified . There is worsening perihilar and parenchymal airspace opacities , left greater than right , which most likely reflect moderate to severe pulmonary edema . An infectious process can not be excluded . Clinical correlation is recommended . No pneumothorax . Overall cardiac and mediastinal contours are stable .