A 50-year-old woman comes to the physician because of a 3-month history of a discharge from both breasts. She has a hist

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A 50-year-old woman comes to the physician because of a 3-month history of a discharge from both breasts. She has a history of hypertension and type 2 diabetes mellitus. Physical examination shows a thin, milky discharge from both breasts. Which of the following mechanisms is most likely responsible for this patient's condition?


A) Breast cancer
B) Diabetes mellitus
C) Drug effect
D) Hypertension
E) Systemic mastocytosis