Physical examination and nutritional assessment revealed a height of 164 cm, body weight of 36.3 kg, body mass index (BMI) of 13.5 kg/m2, a serum albumin of 2.8 g/dl, a creatinine of 0.45 mg/dl, and severe malnutrition diagnosed according to the Global Leadership Initiative on Malnutrition (GLIM) criteria [9]. The gene discussed is ALB; the disease is nutritional deficiency disease.