This is an alternate content page containing a Labeling Activity. It has opened in a new window.
The activity has a picture. Areas in the picture are labeled. This activity requires that you match the text label with the appropriate labeled area of the image. Here is a list of the labels:

Enlarged Mediastinal Lymph Nodes
Ascending Aorta
Descending Aorta
Esophagus
Carina
Azygos Vein
SVC