Book 4 - Self Instructional Manual for Cancer Registrars - SEER ...

Lymph Nodes of the ThoraxThe lymph nodes of the thorax may be classified as parietal I or visceral 2 depending uponwhether they are near the walls of the thoracic cavity or within the thorax, respectively. The primaryregional lymph nodes and the sites which these nodes drain in each of the areas of the thorax are:• Parietal AreaInternal mammary (parasternal) lymph nodes - breast and chest wallIntercostal lymph nodes - chest wall and pleuraDiaphragmatic lymph nodes - diaphragm, pleura• Visceral AreaAnterior mediastinal lymph nodes - lung, pleura, trachea, thyroid, thymus, pericardiumPosteriormediastinal lymph nodes - lung, pleura, esophagus, pericardiumTracheobronchial (carinal, peritracheal, hilar) lymph nodes - trachea, bronchus, lung, upperesophagusFigure 12B. LYMPH NODES OF THE THORAXst_nst_rT/I _(ctTtty_ ,_...t,y:_ I, - • , ] _ cart tT;'_ Uoataottnat :Xparietal--Of or pertainingto the walls of a cavity.Zvisceral--Contained within a body cavity; pertaining to the internal organs or viscera.77