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FIG 8. Photomicrographs show metastatic lymph nodes from poorly (A) and highly (B) differentiated squamous cell carcinomas.
A, Poorly differentiated cancer cells with high nuclear-to-cytoplasmic ratios are densely packed in metastatic node.
B, Highly differentiated cancer cells are loosely packed, and amorphous materials (*), probably produced by cancer cells, and fibrous tissues (**) are frequently observed. (Hematoxylin and eosin, original magnification x200)
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