Correct Answer: E.  Bronchogenic cyst

Bronchogenic cysts are most commonly found in the suprasternal notch and often drain fluid. The lining of the cyst is typically ciliated and may be columnar or cuboidal. Squamous metaplasia is common. In the wall, it is very common to find smooth muscle and respiratory-type mucous glands. Cartilage is another common finding in the wall.

Reference: Dermatology In-Review. 2016-2017 ed.  p315.

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