Medical examination of the mediastinum. The doctor makes a small cut at the base of the neck. He puts a small tube through the cut and into the mediastinum. He can look through this tube to examine the area. He can also take tissue samples which will be looked at under the microscope to see if there are any cancer cells.
investigation of the central chest compartment using an endoscope that is inserted through an incision in the neck
( me-dee-uh-stine- OS-ko-pee ): examination of the chest cavity using a lighted tube inserted under the chest bone (sternum). This allows the doctor to see the lymph nodes in this area and remove samples to check for cancer.