atypical mycobacterial lymphadenitisatypical mycobacterial pneumoniapathogenic mycobacteriaenvironmental mycobacteriasaprophytic mycobacteriamycobacteria infectiontypical mycobacteriaatypical mycobacteriaatypical mycobacterium treatmentatypical mycobacteria infectionatypical mycobacterium tuberculosisatypical mycobacterium infection