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CTC counts and rates in patients with breast cancer. (A) Comparison of CTC detection among patients with different clinical stages. (B) Comparison of CTC detection between patients with LNM and NLNM. (C) CTC counts in patients with different tumor sizes are shown. *P<0.05. (D) CTC counts and detection rates in patients with different hormone receptor status are shown. *P<0.05. CTC, circulating tumor cell; LNM, lymph node metastasis; NLNM, no lymph node metastasis; Her2, herceptin 2.
