SLC11A1 and lung disorder: The odds of polymorphisms in the natural-resistance-associated macrophage protein 1 gene have been shown to be higher among patients with NTM-PD than non-NTM controls, although no significant differences were found in polymorphism frequency between patients with M. avium complex (MAC) pulmonary disease (MAC-PD) and M. abscessus (MAB) pulmonary disease (MAB-PD) [38].