An 86-year-old woman with a 6-year history of bronchiectasis and recurrent pneumonia in the right lung presented to our hospital several weeks' bloody sputum. Imaging studies showed ground-glass infiltrative opacities lung, Nocardia species were repeatedly isolated on sputum culture testing. Genetic testing identified wallacei, which was resistant sulfamethoxazole/trimethoprim. Therefore, patie...
