Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
An anterior mediastinal mass that does not displace or compromise the trachea. The thymus decreases in size by 1-3 years old, and by 4 years old only 2% of patients demonstrate it on a chest film, but it is usually seen on CT of the chest in patients less than 20 years old.
See References Chapter.
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