英语语法分析

The upward venography can show the whole course and the lumen of the deep vein.

其结果显示：上行性造影可观察深静脉的全程及管腔情况；

Purpose: To explore the value of iliac venography for diagnosing congenital iliac vein compression syndrome.

目的：探讨先天性髂静脉受压综合征的静脉造影诊断价值。

Conclusions Venography of lower extremity is valuable in diagnosing venous diseases of lower extremity in the aged.

结论下肢静脉造影对老年人下肢静脉疾病的诊断及分类具有重要价值。