Assertion: mediastinum | /r/HasProperty | area between the lungs
Facets:
Source sentences:
text: These tumors may begin to grow anywhere in the body but usually begin in organs such as the pineal gland in the brain, in the mediastinum (area between the lungs), or in the retroperitoneum (the back wall of the abdomen).
text: This includes the pineal gland in the brain, the mediastinum (area between the lungs), and retroperitoneum (the back wall of the abdomen).