Problem: Ms. Jackson, 38-year-old female, visits her doctor complaining of chronic fatigue and weakness, especially in her legs. Upon greeting the patient, the doctor notes that although she is mildly obese, there is an unusually round contour to her face. During questioning, he learns that at her recent 20-year high school reunion, nobody recognized her because her face looked so different. Physical examination yields an unusual fat distribution consisting of a hump on the upper back and marked centripedal obesity. Blood pressure is also abnormally high. A. What is your diagnosis? B. Explain how you reached this diagnosis. C. What other endocrine disorder is she at risk for, and why?