英语语法分析

This hemangioma although grows slower, but the damage is bigger.

这种血管瘤虽然增长较慢，但损害较大。

This hemangioma also may occur in the gut, often do not easy to find.

这种血管瘤还可能发生在内脏，往往不容易发现。

Objective To investigate the effectiveness of cryotherapy for infantile hemangioma.

目的探讨冷冻治疗小儿血管瘤的有效性。