case_images: PMC9086487_01
case_images: Post-operative photo indicating the patient's breast mass position (arrow and circle) as well as the previous incision for lung cancer (arrow).
case_images: fsurg-09-890492-g0001.jpg
case_images: PMC9086487_01_fsurg-09-890492-g0001.jpg
case_images: F1
case_images: The patient rejected breast-conserving surgery, therefore, mastectomy with SLNB (sentinel lymph node biopsy) was performed (Figure 1).
case_images: Computed tomography scan showing the primary lung tumor (arrow).
case_images: fsurg-09-890492-g0002.jpg
case_images: PMC9086487_01_fsurg-09-890492-g0002.jpg
case_images: F2
case_images: Computed tomography (CT) revealed a lump in the superior lobe of the right lung (Figure 2) and adenocarcinoma of the lung was diagnosed through the 18-G conventional core needle biopsy (Biopty, Bard, Covington, GA, USA).
case_images: Expression of TTF-1 (A) and napsin A (B) indicating the breast lump was a metastasis from a lung primary cancer.
case_images: fsurg-09-890492-g0003.jpg
case_images: PMC9086487_01_fsurg-09-890492-g0003.jpg
case_images: F3
case_images: The results of immunohistochemistry (IHC) staining were positive for Napsin A, TTF-1 (Figure 3), and CK7 and negative for p40, Syn.