患者女,65岁。因“无意间发现右乳肿块1周”于2012年10月31日入院。患者1周前无意间发现右乳外上方有一约核桃大小肿块,无疼痛,局部皮肤无红肿,无乳头溢血溢液,无发热。体检:体温36.5℃,脉搏76次/min,呼吸18次/min,血压120/70 mmHg(1 mmHg=0.133 kPa),神志清,精神可,心肺(-),双乳对称,未见橘皮样改变及乳头内陷,右乳外上象限可触及一大小约 Female patient, 65 years old. Because “Inadvertently found a right breast mass 1 week” was admitted on October 31, 2012. A week ago, the patient inadvertently found a right walnut above the right outer size of a tumor, no pain, no local swelling of the skin, no nipple overflow, no fever. Physical examination: Body temperature 36.5 ℃, pulse 76 beats / min, breathing 18 beats / min, blood pressure 120/70 mmHg (1 mmHg = 0.133 kPa) Like to change and nipple retraction, the right upper quadrant of the milk can reach a size of about