Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube is in appropriate position . A nasoenteric tube is present with its side port at the GE junction . If the desired location of a side port is within the stomach , it can be advanced approximately 5 cm . The mediastinal contour remains widened with a new left juxtahilar opacity , likely representing atelectasis . There is no large pneumothorax . Relative opacity of the left lung likely represents dense layering pleural fluid .
    OUTPUT:
    
1 . Left juxtahilar opacity , likely represents atelectasis , as demonstrated on yesterday 's chest CT . 2 . Persistent widening of the mediastinum . 3 . Mild increased opacity involving the left hemithorax likely represents layering pleural fluid .