患者,男性,77岁。1994年12月18日因左胸前包块时有疼痛而来我院诊治。该患平素身体健康,于1年前发现左侧乳房区有1包块,无自觉症状。于2月前包块逐渐增大,时有胀痛。查体:左侧乳房内上象限可触及直径约5cm 的肿块,边界清楚,稍有活动,无明显压痛,皮肤表面无异常改变。化验:白细胞9×10~9/L,红细胞3.74×10~(12)/L,血色素110g/dl, Patient, male, 77 years old. On December 18, 1994, my left chest was pained and came to our hospital for treatment. The patient was generally healthy and had a mass of 1 block in the left breast area 1 year before. There was no subjective symptoms. Before 2 months, the masses gradually increased and there was pain. Physical examination: The upper quadrant of the left breast can reach a mass of about 5 cm in diameter with clear boundaries, slight activity, no tenderness, and no abnormal changes in the skin surface. Laboratory tests: white blood cells 9×10~9/L, red blood cells 3.74×10~12/L, hemoglobin 110g/dl,