malignant mesenchymoma of liver

例句：

1. 1. The patienthad a malignant mesenchymoma that required extensive surgery.
   患者有一个需要广泛手术的恶性间叶瘤。
2. 2. Thediagnosis of the malignant mesenchymoma was confirmed through biopsy.
   通过活检确认了恶性间叶瘤的诊断。
3. 3. The malignant mesenchymoma grew rapidly, causing significantpain and discomfort.
   恶性间叶瘤迅速生长，导致剧烈疼痛和不适。