Where is the thymus located?
a. Middle of the esophagus
b. Hilus of the lung
c. Anterior section of the mediastinum
d. Base of the visceral pleura
ANS: C
The thymus gland lies on the pericardium in the anterior mediastinum from its origin in the cervical region around the trachea. The two lobes are separated from the arch of the aorta and great vessels by a layer of fascia.
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Fill in the blank with correct ICD-10.