Abstract：
A middle-aged woman presented to our hospital with a chief complaint of a mass on the left shoulder for 1 year. The initial lump was small with no pain or tenderness, and the patient had not sought medical attention for numbness in the left shoulder. Clinical examination showed a mass on the left shoulder measuring 11 × 8 × 3 cm approximately with no apparent skin damage or ecchymosis. No limitations in left shoulder joint movements were observed, and the patient exhibited normal movement of the left elbow joint, wrist joint, and metacarpophalangeal joint. Moreover, the left radial artery was palpable.
摘要：
一名中年妇女到我们医院就诊，主诉左肩肿块1年。最初的肿块很小，没有疼痛或压痛，病人没有因左肩麻木而就医。临床检查显示左肩肿块约11×8×3cm，无明显皮肤损伤及瘀斑。未观察到左肩关节运动的限制，患者表现出左肘关节的正常运动，腕关节,和掌指关节.此外，可触及左桡动脉.
