英语语法分析

Fibrocystic proliferation was risky factor of double-sides breast cancer.

纤腺囊性增生症亦为双侧乳腺癌的危险因素。

History of fibrocystic changes requiring biopsy for diagnosis increases risk slightly.

因纤维囊性病变而作活检诊断，有些病史者的危险性略有增加。

Thus, just as with fibrocystic changes such as fibrosis, cysts, and sclerosing adenosis, there is no increased risk for carcinoma.

因而只有纤维囊性变，如纤维性增生、囊性变和硬化性腺病，没有增加患癌的风险。