A 34-year-old woman comes to the physician for a 1-month history of fatigue and muscle weakness. Blood pressure is 150/95. She has a history of type I diabetes mellitus. Serum potassium is 3.0 mEq/L; serum bicarbonate is 29 mEq/L. MR angiography and CT of the abdomen show no abnormalities. Which of the following is most likely to be seen in this patient?
Adenoma of the adrenal cortex
Cortical hyperplasia
Fibromuscular dysplasia
Medullary adrenal tumor
Pituitary tumor
