Review Question - QID 109976

A 62-year-old woman presents to her primary care physician for her annual checkup and says that she has been feeling fatigued recently. She can't think of any particular trigger for her symptoms and attributes it to getting older. She is also excited that she has been losing weight but denies changing her diet or exercise habits. She also says that she has been having some discomfort in her right breast but has otherwise been well. She drinks socially and has smoked one pack per day for the last 40 years. Physical exam reveals the finding shown in Figure A. Based on these clinical findings a biopsy is obtained and examined for histology. Which of the following findings would most likely be seen in this patient?