hematoma of larynx

例句：

1. 1.He sustained a minor injury and had to have a hematoma drained from his arm.
   他受了轻伤，不得不从手臂上引流出淤血。
2. 2.The doctor advised him to keep the area clean and dry for several days until the hematoma resolved.
   医生建议他保持该区域清洁干燥数天，直到血肿消退。
3. 3. After surgery, the patient was given an anticoagulant to prevent further hematoma formation.
   手术后，患者被给予抗凝剂以防止进一步形成血肿。