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我院于1990年1月至1995年12月共收治乳房肿块312例。年龄16～84岁，中位年龄39岁。良性疾病者16～60岁，中位年龄33岁，乳腺癌患者28～84岁，中位年龄50岁。全组男女比例为1:51。良恶性比为7.9:1。临床表现右侧128例，左侧184例，肿块小于2cm者160例，2cm～5cm者145例，大于scm
In our hospital from January 1990 to December 1995, a total of 312 cases of breast lumps were treated. Age 16 to 84 years, median age 39 years old. The patients with benign disease are 16 to 60 years old, the median age is 33 years old, the breast cancer patients are 28 to 84 years old, and the median age is 50 years old. The ratio of male to female in the whole group is 1:51. The ratio of benign to malignant is 7.9:1. The clinical manifestations of the right side of 128 cases, 184 cases on the left, 160 cases of tumors less than 2cm, 145 cases of 2cm ~ 5cm, greater than scm