乳腺癌改良扩大根治术,即在乳腺癌改良根治术的同时行内乳淋巴结的清扫,我院于1997年1月～1999年9月间共施行该手术15例,现总结如下。临床资料一、一般资料　本组共15例女性,年龄为34～69岁,平均56岁。癌肿部位:肿块部位均位于乳腺中央区和内侧,位于中央区6例,内上象限5例,内下 Modified radical mastectomy for breast cancer, that is, the removal of intramural breast lymph nodes at the same time as the modified radical mastectomy for breast cancer, was performed in our hospital from January 1997 to September 1999. This procedure was performed in 15 cases and is summarized as follows. Clinical data I. General information A total of 15 women in this group aged 34 to 69 years old (mean 56 years old). Cancer site: The tumor site is located in the central and inner mammary glands, in the central area in 6 cases, in the upper quadrant in 5 cases, in the lower