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