malignant hemangioendothelioma

例句：

1. 1. The patientwas diagnosed with a malignant hemangioendothelioma and underwent aggressive treatment.
   患者被诊断出患有一种恶性血管瘤，并接受了积极的治疗。
2. 2.The pathologist performed an immunohistochemical stain to confirm the diagnosis of malignant hemangioendothelioma.
   病理学家进行了免疫组织化学染色，以确认恶性血管瘤的诊断。
3. 3.The malignant hemangioendothelioma had spread throughout the patient's body, causing significant pain and discomfort.
   恶性血管瘤已经扩散到患者的全身，导致剧烈的疼痛和不适。