Lymph nodes are clustered throughout the body in key locations. These include the armpits, neck, groin, upper abdomen, and mediastinum (the area between the lungs that contains all the principal ...

The subcarinal and peribronchial lymph nodes were not involved as was suggested ... pneumomediastinography can demonstrate small areas of mediastinal invasion by pulmonary neoplasms.

"They then build up in lymph nodes behind the breastbone and between the lungs" in an area called the mediastinum. In Yawnick's case, his treatment plan includes multiple 96-hour rounds of ...