Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low , though the lungs are clear with the exception of subsegmental atelectasis . There is no pneumothorax . The cardiac silhouette and mediastinal contours are normal . The patient is intubated with the tip of the endotracheal tube no less than 3 .1 cm from the level of the carina . A right IJ line is in place , the tip is positioned within the lower SVC . An NG tube is in place with its tip and sidehole projecting over the expected location of the stomach .
    OUTPUT:
    
1 . Standard positioning of support tubes and lines . 2 . Low lung volumes , without acute chest abnormality .