Trudy is a 49-year-old female who presents for evaluation of lower extremity edema with associated darkening of her skin in the edematous areas. She denies any significant medical history and is has no idea why this is happening. She feels fine and says it doesn't really hurt, but she doesn't understand why her calves and ankles get so swollen. Recognizing the likely pathophysiologic mechanism of edema, the NP anticipates all of the following in the patient's history, except:
A. Obesity
B. A history of working as a waitress for many years
C. A low salt diet
D. A family history of the same problem