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Discrete tendency of border cancer cells of the clones. The cells in blue box indicate the border cancer cells with outstretching pseudopodia in (A) MCF-7 breast cancer cells, (B) SW480 colon cancer cells and (C) SGC7901 gastric cancer cells. A and B: ×200, Goat anti-rabbit IgG-585 of yellow QDs marked Ki67; C: ×200, Goat anti-rabbit IgG-605 of red QDs marked Ki67. Scale bar=50 µm.
