![]() ![]() superior border: superior border of the aortic arch, i.e.inferior border: inferior border of the azygos vein.superior border: intersection of caudal margin of the left brachiocephalic vein with the trachea, i.e.left (4L) and right (4R) are divided along the left lateral border of the trachea, not the midline.Station 4 (left/right): lower paratracheal nodes We read with great interest the work of Adegunsoye and colleagues showing a significant association between enlarged mediastinal lymph nodes (MLNs) on chest. 3P: retrotracheal - posterior to the trachea.3A: prevascular - anterior to the great vessels ( superior vena cava on the right, left common carotid artery on the left), posterior to the sternum.Station 3A and 3P: pre-vascular and retrotracheal nodes inferior border of 2L: superior border of the aortic arch, i.e. Mediastinal lymph nodes are located in the anterior, middle, and posterior mediastinal compartments (figure 1 and figure 2).inferior border of 2R: at the intersection of caudal margin of the left brachiocephalic vein with the trachea, i.e.left (2L) and right (2R) are divided along the left lateral border of the trachea, not the midline.superior border: apex of lung / pleural space, thoracic inlet 2.Upper zone (superior mediastinal nodes) Station 2 (left/right): upper paratracheal nodes station 1 nodes are outside the mediastinum and staged as an N3 disease despite this, they can sometimes be treated with radical intent if they are encompassable in a radiotherapy field.left (1L) and right (1R) are divided by the midline of the trachea Key words: Mediastinum, lymph nodes lymphadenopathy ultrasonography, colour Doppler imaging.inferior border: strictly the IASLC defines this as the clavicles, which leads to ambiguity, particularly as the clavicle is mobile - a more definitive anatomical boundary is the thoracic inlet, i.e.superior border: lower margin of the cricoid cartilage.Supraclavicular zone Station 1 (left/right): low cervical, supraclavicular, and sternal notch nodes This is the space behind the breastbone (sternum) in the middle of the chest, between the 2 lungs. It usually is diagnosed by chest computed tomography and bronchoscopy with endobronchial ultrasound guided TBNA (EBUS-TBNA). Mediastinal lymph nodes are lymph nodes located in the mediastinum. A mediastinoscopy is a procedure used to examine the mediastinum. Hilar and interlobar zone (pulmonary nodes) Introduction: Mediastinal lymphadenopathy (ML), may be caused either by malignant or benign diseases.Lower zone (inferior mediastinal nodes).Upper zone (superior mediastinal nodes). ![]()
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