The paper is devoted to the description of the methods and results of digital processing of linear tomograms of the lungs in 347 patients with "small" lesions (2 cm in diameter in 67%), densitometry of abnormal lesions was performed in 167 of them. Roentgenomorphological comparisons were done in 326 cases, where diagnosis was verified at operation. Digital processing of images and densitometry provided additional diagnostic information. The diagnostic accuracy of the proposed method for lung cancer was 92%.
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