pelvic rhabdomyosarcoma

例句：

1. 1.This is the first time we have seen a case of pelvic rhabdomyosarcoma in our department.
   这是我们部门首次发现一例骨盆横纹肌肉瘤。
2. 2. The patient's condition has worsened, and we need to consider the possibility of pelvic rhabdomyosarcoma.
   患者的病情恶化了，我们需要考虑是否有可能患有骨盆横纹肌肉瘤。
3. 3. The diagnosis of pelvic rhabdomyosarcoma requires a thorough examination of the patient's medical history and imaging studies.
   诊断骨盆横纹肌肉瘤需要对患者的医疗史和影像学检查进行彻底分析。