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March 2018 — Anatomic Pathology 2

A 43-year-old woman presented with a 1.2 cm nodule in the right middle lobe lung. She had a history of triple-negative breast neoplasm diagnosed two years prior for which she underwent a mastectomy. A right middle lobe wedge resection was performed.

Images 1A-1D show lung nodule (H&E)

Images 1E-1I show lung nodule (immunohistochemistry) 

Images 2A-2H show breast mastectomy (H&E)

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Raghavendra Pillappa, M.D.
Fellow, Pulmonary Pathology
Mayo Clinic
Anja Roden, M.D.
Consultant, Anatomic Pathology
Mayo Clinic
Associate Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine
Rafael Jimenez, M.D.
Consultant, Anatomic Pathology
Mayo Clinic
Associate Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine
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This post was developed by our Education and Technical Publications Team.