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乳腺癌是女性中最常见的恶性肿瘤之一 ,而乳腺癌的癌前期疾病是一组与乳腺癌相关的良性增生性疾病。不同病理类型的癌前疾病在诊断后 10— 2 0年内发生乳腺癌的危险度为 1 5— 10不等。它们中的大多数亦增加对侧乳腺癌的发生机率。随着近期有关乳腺癌前期疾病与乳腺癌关系研究的深入 ,乳腺癌前疾病的诊治越来越受到临床医师的重视 ,并成为预防乳腺癌的一个重要手段
Breast cancer is one of the most common malignancies in women, and precancerous conditions in breast cancer are a group of breast cancer-related benign proliferative diseases. Pre-cancerous conditions of different pathological types have a risk of breast cancer ranging from 10 to 10 within 10 to 20 years after diagnosis. Most of them also increase the incidence of contralateral breast cancer. With the recent in-depth study on the relationship between breast cancer and breast cancer, the diagnosis and treatment of pre-cancerous breast disease has received more and more attention from clinicians and has become an important means to prevent breast cancer.