“…Since there are regional differences in NTM prevalence, further investigations are needed to verify whether or not M. gordonae is the predominant NTM isolates in our center's catchment area. Furthermore, several reports on M. gordonae infections have been published (11,12), with only a few focusing on M. gordonae disease in immunocompromised hosts (13)(14)(15). In addition, the increasing proportion of elderly and immunocompromised people might result in increasing prevalence of M. gordonae lung disease.…”