Invasive ductal carcinoma Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 37-year-old woman presents to the clinic for evaluation of a self-palpated mass in the left breast. The patient typically performs bi-monthly self-assessments of the breasts, and this month she felt a firm lump in the upper outer part of the left breast. There is no tenderness associated with the mass, and no nipple discharge or overlying skin changes. The patient has a history of hyperlipidemia, for which she takes a statin. She has no past surgical history. There is no family history of breast or ovarian cancer. Vital signs are unremarkable. Physical examination confirms the finding of a painless firm mass in the upper outer quadrant of the left breast. She is sent for a diagnostic mammogram, which reveals an irregular cluster of calcifications in the upper outer quadrant of the left breast. Which of the following factors, if present, would be most associated with an increased risk of malignancy in this patient? 

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