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A comparison of EpCAM+CD44+ CTC counts in the peripheral blood of healthy volunteers and patients with GC. Mean data are shown. All patients with GC had EpCAM+CD44+ CTCs, whereas only 2 out of 10 healthy volunteers had EpCAM+CD44+ CTCs. GC, gastric cancer; EpCAM, epithelial cell adhesion molecule; CD44, cluster of differentiation 44; CTC, circulating tumor cell.
