Figure 2:
Example of diagnostic interpretation error in false-negative sentinel lymph node. A: Whole slide image of frozen section slide, B: Whole slide image of permanent frozen section slide of false-negative lymph node after formalin fixation and paraffin embedding, C: Frozen section slide showing metastatic focus under tissue fold (H&E, 400X), D: Permanent section slide with metastatic focus (H&E, 200X)