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Correlation between CTC/CTM counts and clinical variables. Correlation analysis of CTC-PV with (A) CTM-PV and (B) CTC-peri counts. Association between (C) CTC-PV and (D) CTM-PV counts and tumor size. CTC, circulating tumor cell; CTM, circulating tumor microemboli; PV, pulmonary vein; peri, peripheral blood.
