Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest film ___ at 21 : 13 is submitted .
    OUTPUT:
    
Endotracheal tube with tip 4 .2 cm above the carina . A right subclavian PICC line has its tip in the mid SVC . A nasogastric tube is seen coursing below the diaphragm with the tip not identified . There are moderate layering bilateral effusions with bibasilar airspace opacity likely reflecting partial lower lobe compressive atelectasis , although superimposed pneumonia can not be excluded . Low lung volumes with appearance of mild to moderate pulmonary edema . Incidental note is made of an azygos lobe . The heart remains enlarged . Mediastinal contours are difficult to assess due to patient rotation . No pneumothorax is appreciated .