Mean age 47 years old (17 - 82), ratio of male female 25/37, mean tumor size 52.2 mm (15 - 150), right tumor 48/62, left tumor 14/62, hyper secretion of aldosterone 21.0% (13/62), cortisol 25.8% (16/62), catecholamine 27.8% (17/62), hyper secretion of hormone 56, 5% (35/62).