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A 46-year-old male sustained severe penetrating injury by a sharp instrument to his right upper stoclavicular junction.The wound tract was from suprastal notch to mediastinum.Exploratory operation via median stotomy under general anesthesia found a large mediastinal septum hematoncus,as well as brachiocephalic trunk and left brachiocephalic vein injuries.The perforating vascular wounds were repaired with 5-0 prolene suture.He was recovered uneventfully and discharged 9 days after operation.There was no sequel found during 7 years follow-up.