The results of physical examination at the initial consultation were as follows: height, 182 cm; weight, 74.1 kg; BMI, 22.37 kg/m2; blood pressure, 128/80 mmHg; heart rate, 78 beats/min and regular; no anemia or jaundice; electrocardiography and chest X-ray, no findings of note; abdominal examination, no subjective symptoms; bilateral patellar and Achilles tendon reflexes, normal; diabetic retinopathy and neuropathy, absent; and diabetic nephropathy stage I (albumin/creatinine ratio, 5.6 mg/g creatinine). Here, ALB is linked to diabetic retinopathy.