Respiratory Tract
An endoscopic ultrasound probe placed in the esophagus can also be used to visualize lymph nodes in the chest surrounding the airways (bronchi), which is important for the staging of lung cancer. Ultrasound can also be performed with an endoscopic probe inside the bronchi themselves, a technique known as endobronchial ultrasound.
Read more about this topic: Endoscopic Ultrasound
Famous quotes containing the word tract:
“My lusts they do me leave,
My fancies all be fled,
And tract of time begins to weave
Grey hairs upon my head.”
—Thomas Vaux, 2d Baron Vaux Of Harrowden (15101566)