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Cross-sectional imaging of LS174T tumor (1 cm) 48 h after administration of 50 μg of MUC4-IR800. (a) Fluorescence imaging on LI-COR Odyssey of the transected tumor demonstrated the depth of penetration throughout the tumor. (b) Heat map imaging of fluorescence demonstrating the highest fluorescence signal at the periphery of the tumor with moderate signal throughout. (c) H&E imaging confirms the presence of colon cancer cells histologically (10x magnification).
