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. 2021 Mar 2;14:1543–1552. doi: 10.2147/OTT.S298576

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© 2021 Zhang et al.

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Flow chart of patient enrollment.

Notes: The 105 patients were divided into two sub-groups based on median CTC counts: patients were classified as having low total CTC count (>6) and as having high total CTC count (≥6)