英语语法分析

He suffers from a rare disease called varicosity.

他患有下肢静脉曲张，这是很少见的病。

The precaution with good what and remedial method does varicosity have?

静脉曲张有什么好的预防和治疗方法吗？

Patients with severe varicosity and increased serum bilirubin have poor prognosis.

静脉曲张程度严重和总胆红素上升，预后差。