英语语法分析

Gliosarcoma is a rare primary central nervous system tumor composed of malignant glial and sarcomatous elements.

胶质肉瘤是由恶性胶质成分和肉瘤成分组成的少见的原发中枢神经系统肿瘤。

Carcinosarcoma of the esophagus is a rare malignant tumor composed of both carcinomatous and sarcomatous elements.

食管癌肉瘤是肉瘤与癌两种成份共存的一种特殊类型并且十分少见的恶性肿瘤。

The sarcomatous element is thought to arise from neoplastic transformation of vascular elements within the glioblastoma itself.

肉瘤样的成分被认为是由于胶质母细胞瘤本身的血管成分发生了肿瘤样转化。