乳腺癌是女性常见恶性肿瘤之一,发病人数占全部恶性肿瘤7%～15%,占全部女性恶性肿瘤总数的21%,居妇女各类恶性肿瘤发病率和病死率之首[1],因此积极开展对乳腺癌的早期诊断十分必要。本文对2006年-2007年同煤集团女工大规模 Breast cancer is one of the most common malignant tumors in women. The incidence of breast cancer is 7% -15% of all malignant tumors, accounting for 21% of the total number of all malignant tumors in women. The incidence of breast cancer is the highest among all types of malignant tumors in women [1] Actively carry out the early diagnosis of breast cancer is necessary. This article from 2006 to 2007 with the Coal Group large-scale women workers