NBME 20

nbme20/Block 1/Question#12

A 72-year-old woman with dysphagia is undergoing ...

Right kidney

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jointaccount  Left breast & L UE drained by axillary. With the remaining choices, R kidney is the only choice outside the territory of the right lymphatic duct +  

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submitted by onyx(8),

Thoracic duct relations.


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submitted by onyx(8),

The mass described is in the posterior mediastinum (see images below). The thoracic duct is damaged “near the mass”, hence drainage of organs distal to that point will be affected. The images below should clarify.


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submitted by onyx(8),

Mediastinal relations.


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submitted by onyx(8),

Thoracic duct relations.


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submitted by hayayah(229),

The left upper extremity and breast are drained by the axillary lymph node. The kidney is drained by the thoracic duct. The heart has its own lymph system going on surrounding the heart.