患者男,46岁。因咳嗽、气短,午后疲倦乏力,于1964年8月8日入院,近五年来轻度咳嗽,痰多,有时带血,劳动后气短,于1961年11月15日在某医院拍胸片未见明显病变(图1),诊断为慢性支气管炎,经门诊对症治疗未见好转,且时有咯血,于1964年4月6日再拍胸片(图2),发现右前三、二肋间及左侧上中下野散在小片状及密度较低的云絮状阴影,两肺纹理普遍增强,无明显网织影,右侧肺门有 Male patient, 46 years old. Due to cough, shortness of breath, fatigue in the afternoon, admitted to hospital on August 8, 1964, the past five years mild cough, phlegm, sometimes bloody, shortness of breath after labor, in November 15, 1961 in a hospital shot chest radiograph See obvious lesions (Figure 1), diagnosis of chronic bronchitis, symptomatic treatment by the clinic did not improve, and sometimes hemoptysis, and again on April 6, 1964 chest radiograph (Figure 2), found the right front three and two intercostal space And on the left and up and down the field scattered in small flakes and lower clouds of flocculent shadows, the lungs generally enhance the texture, no obvious mesh shadow, the right hilar