Kobashi Y, et al. - In this study, researchers clarified the clinical characteristics of pulmonary nocardiosis in their tertiary hospital. They noted that pulmonary nocardiosis occurred in immunocompetent patients with underlying respiratory diseases and patients undergoing immunosuppressive treatments. No characteristic findings of pulmonary nocardiosis in the laboratory or radiological findings were noted. To obtain a definite diagnosis, local respiratory clinical specimens using bronchoscopy were useful. No patient was observed to had contracted TMP/SMZ-resistant Nocardia species. The clinical effect and prognosis were noted to be good.