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Direct view of microvessels of orthotopically growing pancreatic cancer. (A) The human Bx PC-3-GFP pancreatic tumor, microvessels, and metastasis to the spleen (fine arrows) were directly viewed via a skin-flap window over the abdominal wall of a nude mouse at day 58 after SOI. (B) Microvessels were directly viewed and highly resolved through the skin-flap window at higher magnification. (Bar = 200 μm.) See Materials and Methods for details.
