Which of the following does NOT reside within the mediastinum?

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Multiple Choice

Which of the following does NOT reside within the mediastinum?

Explanation:
The lungs do not reside within the mediastinum; instead, they are located in the thoracic cavity, flanking the mediastinum on both sides. The mediastinum is the central compartment of the thoracic cavity and is bordered laterally by the lungs. It contains vital structures such as the heart, great vessels (including the vena cavae), trachea, esophagus, and other mediastinal contents. Recognizing that the lungs are situated laterally helps clarify why they are not considered part of the mediastinum itself.

The lungs do not reside within the mediastinum; instead, they are located in the thoracic cavity, flanking the mediastinum on both sides. The mediastinum is the central compartment of the thoracic cavity and is bordered laterally by the lungs. It contains vital structures such as the heart, great vessels (including the vena cavae), trachea, esophagus, and other mediastinal contents. Recognizing that the lungs are situated laterally helps clarify why they are not considered part of the mediastinum itself.

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