microthrombus

例句：

1. 1. The patient was diagnosed with a microthrombus in his artery.
   患者被诊断出动脉中有微血栓。
2. 2.The doctor performed an emergency surgery to remove the microthrombus from the patient's heart.
   医生紧急进行了手术，将微血栓从患者的心脏中取出。
3. 3. The patient experienced chest pain and shortness of breath after the microthrombus was removed.
   在微血栓被取出后，患者出现了胸痛和呼吸困难的症状。