Figure 3.
White light, NIR, and iRFP fluorescent images prior to, 8 weeks, and 11 weeks after orthotopic inoculation of SUM149-iRFP cells to the inguinal MFP. NIR fluorescent images (green) of the lymphatics were merged with iRFP fluorescent images (red) of the gene reporter in the tumor. A magnified fluorescent image of the white rectangles was also acquired. Arrow, ILN. Double arrow, ICG injection site. Double open arrow, PLN. Broken arrow, IsLN. Arrow head, SUM149-iRFP tumor. Open arrow, lymphatic capillaries due to dermal backflow. Scale, 1 mm.