Figure 3From: Detection and Clinical Significance of Circulating Tumor Cells in Colorectal Cancer—20 Years of ProgressImaging flow cytometry: composite images of CD45+ white blood cells (red)/CK+ (green) tumor cells (A); CK+ CTC clusters including a white blood cell, from a CRC patient’s blood (B). The nuclei of the cells are stained with DAPI (purple). Images were taken at 40× magnification and have been enhanced for visual appearance.Back to article page