Lymphatic anatomy

[sbm1292987]

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Hi everyone,

Was skimming over some anatomy and apparently one of the places that the diaphragmatic lymph nodes drain is to the para-aortic nodes. I looked around for what these were, but I've come across different sources saying different things. Does the term para-aortic only cover the lateral aortic (lumbar) nodes or other lymph node groups? Also, am I right in thinking that the tracheobronchial node group covers both the paratracheal and superior/inferior tracheobronchial nodes?

Thanks in advance for any answers!