Laboratory examination revealed hypoalbuminemia (serum albumin 1.5 g/dL), renal insufficiency (creatinine level 0.74 mg/dL, creatinine-eGFR 49.7 mL/min/cm2, urea 63.1 mg/dL), anemia (Hb 8.7 g/dL, MCV 87.1 fL, MCH 28.9 pg, MCHC 33.2 g/dL), hyperlipidemia (triglycerides 1039 mg/dL), and increased total cholesterol (total cholesterol 582 mg/dL). The gene discussed is GSTM1; the disease is anemia.