Assertion: posterior mediastinum | /r/MadeOf | sympathetic chain
Facets:
Source sentences:
text: The posterior mediastinum contains the sympathetic chain, vagus nerve (which controls the heart, larynx, and gastrointestinal tract), thoracic duct (which drains lymph from the abdomen, legs, and left side of the head and chest), descending thoracic aorta, and the esophagus.