round-cell sarcoma

例句：

1. 1. The patient's condition worsened after receiving the treatment.
   患者在接受治疗后病情恶化。
2. 2. The diagnosis of round-cell sarcoma was confirmed through biopsy.
   通过活检确认了圆形细胞肉瘤的诊断。
3. 3. The treatment for round-cell sarcoma typically involves surgery and chemotherapy.
   治疗圆形细胞肉瘤通常包括手术和化疗。