sarcomatous change of leiomyoma of uterus

例句：

1. 1. The patient's leiomyoma was sarcomatous, and the tumor had spread to other parts of the body.
   患者的子宫平滑肌瘤是恶性的，肿瘤已经扩散到身体的其他部位。
2. 2.The pathologist found that the leiomyoma was sarcomatous, which is a rare but serious condition.
   病理学家发现子宫平滑肌瘤是恶性的，这是一种罕见但严重的状况。
3. 3.Sarcoma is a type of cancer that starts in the cells of the body and can be sarcomatous if left untreated.
   肉瘤是一种癌症类型，如果未经治疗，可能会恶性发展。