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当前学科：心血管系统常见疾病
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男性，35岁，髋关节置换术后7天，患者右侧下肢肿胀、疼痛，抬高患肢后可好转。该患者最可能发生了（）
A . 下肢深静脉血栓形成
B . 下肢动脉栓塞
C . 肺动脉栓塞
D . 病理性骨折
E . 脉管炎
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