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pubmed:abstractText |
As a late complication after radical neck dissection, this paper reports a bony mass at the sternal end of the clavicle associated with hypertrophy of the sternohyoid muscle. The bony mass and hypertrophy of the muscle were considered due to continuous mechanical strain by the drooping of the shoulder caused by injury of the accessory and cervical nerves, left-handed physical labour, and the lack of the sternocleidomastoid muscle in rotating the head.
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