英语语法分析

Paranasal sinus is not a serious disease, and can be cured with systematic treatment.

鼻窦炎不是什么大病，只要坚持治疗就很容易康复。

Objective To evaluate ct features and diagnostic value of fungus infection of paranasal sinuses.

目的探讨真菌性鼻窦炎的CT特征性表现及诊断价值。

If it affects the paranasal sinuses, it most commonly involves the ethmoidal and maxillary sinuses.

如果累及副鼻窦，最常见的是累及筛窦及上颌窦。