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乳腺癌是妇女最常见的恶性肿瘤之一,发病率有逐年增高趋势,目前乳腺癌治疗的10年以上生存率尚无明显改善,主要原因是晚期癌、复发转移癌远处转移死亡。乳腺癌的自然病程以临床前期最长,约占疾病全程的2/3。早期癌中多数尚未出现明显肿块或肿块较小,待乳房出现明显肿块时,半数以
Breast cancer is one of the most common malignant tumors in women. The incidence has been increasing year by year. At present, there is no obvious improvement in the survival rate of breast cancer over 10 years. The main reason is that advanced cancer and distant metastasis of recurrent and metastatic cancer die. The natural course of breast cancer to the longest pre-clinical, accounting for about 2/3 of the disease. Most of the early cancer has not yet obvious significant mass or lesion smaller, until the breast appears significant mass, half