Urine renin levels were significantly higher in symptomatic AIP cases (n = 33, median 2 pg/mL, IQR 1.0–18) compared with their matched controls (n = 33, median 0.0 pg/mL, IQR 0.0–6.4, p = 0.01, Figure 2). The gene discussed is REN; the disease is autoimmune pancreatitis.