病史摘要患者男性 ,75岁 ,设计院工程师。 1993年 11月体检发现左下肺大片浸润灶 ,当时无任何症状 ,未予进一步诊治 ,仅每半年或一年定期复查、随访观察 ,至今已 8年余 ,仍无任何症状呈现。 7年前摄片观察期间认为“左下肺浸润灶无多大变化”,仍未作检查。近一年来“左下肺阴影 Summary of patient history Male, 75 years old, designer of the Institute of Design. November 1993 physical examination found a large infiltration of the left lower lung lung focus, then no symptoms, no further diagnosis and treatment, only every six months or a year regular review, follow-up observation, has been more than 8 years, still no symptoms. 7 years ago during the film observation that “little change in the left lower lung infiltration stove,” has not yet been examined. Nearly a year, "the shadow of the left lower lung