haematothorax

例句：

1. 1.He was diagnosed with a hematoma in his chest, which led to the need for surgery.
   他胸部被诊断出有血肿，需要手术。
2. 2.The patient's condition worsened after the operation, and he was admitted to the hospital for further treatment.
   手术后，患者的病情恶化，被送进医院接受进一步治疗。
3. 3. Doctors suspect that the hematoma may have been caused by a ruptured blood vessel.
   医生怀疑血肿可能是由于血管破裂造成的。