【单选题】患者,男,34岁,患者2天前骑自行车时不慎摔倒,右侧身体着地,跌倒后出现疼痛及右上肢不能活动,右侧上肢可见局部瘀血,压痛(+),屈肘伸肘受限。急诊X线肱骨颈骨折,无移位。现用三角巾固定。患者目前状况以下列哪项为主:
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