History A 25-year-old triathlete fell from his cycle while training and landed on his left shoulder. He was wearing a helmet. When he tried to pick up his cycle he felt severe pain in his left collarbone and was unable to pick up the machine. He has presented to the emergency department. Examination The man has some swelling and deformity in the region of the middle of the collarbone. On palpation, he feels pain and tenderness over the left collarbone.

The upper ribs are not tender. The overlying skin is intact, and there is no evidence of any neurological or vascular deficit of either arm. A radiograph is shown in image (attached). What is the diagnosis for this patient? *This case is from Docplexus editorial team for educative purpose only Source: Clinical cases uncovered-Nephrology Stay connected, the answer will be posted in next 48 h!