Assertion: lung's structure | /r/CapableOf | enter the lung
Facets:
Source sentences:
text: The lung hilum (where structures enter and leave the lung) is located on this surface.
text: They are suspended from the mediastinum by the lung root - a collection of structures entering and leaving the lungs.
text: All these structures enter or leave the lung via the hilum - a wedge shaped area on its mediastinal surface.