At the onset of current symptoms, laboratory investigations at a local hospital revealed hyponatremia (serum sodium 123 mmol/L), markedly prolonged activated partial thromboplastin time (APTT, 102.3 s), and elevated inflammatory markers (C-reactive protein [CRP], 47.55 mg/L), and mild enlargement of the left adrenal gland on contrast-enhanced abdominal computed tomography. The gene discussed is CRP; the disease is Hyponatremia.