Study Objective: to identify clinical and X-ray features of mycobacteriosis caused by slow-growing forms nontuberculous mycobacteria (NTMB), in patients with chronic non-specific lung diseases TB. Design: prospective retrospective study. Materials Methods. We examined 166 diseases: bronchitis, obstructive respiratory diseases, bronchiectatic disease, 79 had a primary disease (NTM); controls wer...