英语语法分析

Objective To improve the diagnosis of primary epididymal tumors.

目的提高对原发性附睾肿瘤的诊治水平。

Objective: To evaluate the diagnosis and treatment of primary epididymal tumor.

前言：目的：总结原发性附睾肿瘤的诊断和治疗经验。

Objectives: to discuss the new classification of epididymal malformation in cryptorchidism.

目的：探讨隐睾伴附睾畸形的新分类及治疗措施。