hematoma of abdominal wall

例句：

1. 1. He had a small hematoma on his forehead after the accident.
   事故发生后，他的额头上有一个小的血肿。
2. 2. The doctor advised him to avoid activities that could cause further hemorrhage.
   医生建议他避免可能导致进一步出血的活动。
3. 3. The patient was taken to the emergency room for treatment of a severe contusion and hematoma.
   患者被送往急诊室治疗严重的挫伤和血肿。