Figure 2. Digital Hematoxylin and Eosin–Stained Tissue Sections From a Radioactive Iodine Seed Placement in the Axilla With Sentinel Lymph Node Biopsy (RISAS) Lymph Node That Underwent Central Pathology Review.

A, The original on-site section without signs of residual disease. B, An additional section obtained at central pathology review with a large cluster (>2 mm) of residual cancer cells (arrowhead). C, Magnification of the cluster of residual cancer cells from panel (B).