Thyroid metastasis from breast cancer presenting with enlarged lateral cervical lymph nodes: A case report

Figure 3 Hematoxylin-eosin staining. A: Malignant tumor tissue between follicles (arrows; magnification, 40 ×); B: Malignant tumor tissue in vascular space (arrows; magnification, 100 ×); C: Atypia tumor cells without nuclear features of papillary thyroid carcinoma (magnification, 200 ×); D: Infiltrating tumor cells in the mesenchyme of the thyroid (under the curve; magnification, 200 ×); E: Atypia of tumor cells without nuclear features of papillary thyroid carcinoma (magnification, 400 ×); F: Malignant tumor tissue in lymph nodes (magnification, 40 ×).