多次原发性支气管肺癌系指不是肺癌复发或肺癌及全身其他部位的恶性肿瘤转移到肺,而是在肺部第二次、第三次或更多次地发生了新的原发性支气管肺癌病灶。我院近年曾遇一例,特报导如下。丁××男50岁工人患者于1966年8月经X线胸片检查发现左下肺3×3.5cm块影。周边有明显短毛刺样改变,诊断为“左下肺癌”。施行左下肺叶切除 Multiple primary bronchogenic lung cancer refers to the non-recurrence of lung cancer or the metastasis of lung cancer and other parts of the body to the lung, but a new primary bronchial tube occurs second, third or more times in the lungs. Lung cancer lesions. Our hospital has encountered one case in recent years, special reports are as follows. Ding × × male 50-year-old workers in patients in August 1966 by chest X-ray examination showed a left lung 3 × 3.5cm block shadow. Peripheral short burr-like changes were evident and diagnosed as “lower left lung cancer.” Perform left lower lobe resection