Assertion: thymus | /r/CapableOf | lie in upper part of the mediastinum
Facets:
Source sentences:
text: The thymus gland lies in the upper part of the mediastinum behind the sternum and extends upwards into the root of the neck.
text: The thymus gland is a flask-shaped organ lying in the lower neck and upper part of the mediastinum (superior mediastinum) in the chest cavity.