Nobumasa Aoki

Pulmonary Mycobacterium kiyosense infection presenting with elevated serum carbohydrate antigen 19-9: a case report

Abstract Background Pulmonary nontuberculous mycobacterial (NTM) infections are increasing worldwide; however, data on rare species remain limited. We report a case of pulmonary Mycobacterium kiyosense infection diagnosed following an elevation in the tumor marker carbohydrate an...