NCIt definition : A lymph node located in the thoracic cavity between the lungs. It is bordered by the
carina of the trachea, lower lobe bronchus on the left and the bronchus intermedius
on the right.;
Alternative definition : CDISC: A lymph node located in the thoracic cavity between the lungs. It is bordered
by the carina of the trachea, lower lobe bronchus on the left and the bronchus intermedius
on the right. (NCI);