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目前多数学者认为,中央型肺癌局限在总支气管或叶段支气管,不超越支气管外膜,未侵及肺内,无胸内淋巴结或其它部位转移者;周围型肺癌发生在肺段以下支气管,肿瘤直径在2厘米以下,无胸内淋巴结及其它部位转移,未侵犯胸膜及胸内其他组织者,均为早期肺癌。为探讨早期肺癌的X线表现,我们将20多年来符合早期肺癌病理表现的病例,对照其X线胸片,以期发现某些特征,有助于早期肺癌的X线诊断。
At present, most scholars believe that central lung cancer is limited to the bronchus of the total bronchus or leaf segments, does not exceed the bronchial epithelium, does not invade the lung, there is no intrathoracic lymph node or other metastases; peripheral lung cancer occurs in the bronchi below the lung segment, tumor Diameter of less than 2 cm, no chest lymph nodes and other parts of the transfer, did not infringe the pleura and other tissues in the chest, are early lung cancer. To explore the X-ray findings of early-stage lung cancer, we compared the cases of early lung cancer pathology over 20 years with X-ray chest radiographs in order to find certain features that would be helpful in the early diagnosis of lung cancer.