[Diagnosis of cancer of the lung in patients with tuberculosis and subjects with post-tuberculosis changes of the lungs].

Recently, the number of cases of primary lung carcinoma associated with tuberculosis and posttuberculous lesions has become more frequent. In this connection the problem of early diagnosis of cancer in such patients is gaining clinical importance and becomes urgent. The presence of tumor in such patients is mainly stated by phthisiologists as a result of time course x-ray observations with a delay, in half of the patients at stages III-IV.