A left-sided asymptomatic supraclavicular cystic mass in a 14-year-old girl

A 14-year-old girl was referred to our department with a 3-month history of an asymptomatic swelling in the left cervical triangle. The girl, an active ski jumper, was used to carrying her skis on the left shoulder. There was a history of many minor falls and contusions of her body. The left posteri...

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