GSTM1 and anemia (phenotype): The patient was investigated in a regional hospital, where facial edema, high blood pressure 155/90 mmHg, severe anemia (Hb 7.2 g/dL), market nitrogen retention (urea 376 mg/dL, creatinine 14.7 mg/dL, GFR 4.71 mL/min/1.73 m), proteinuria, and microscopic hematuria in the urine summary were prominent.