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Kaplan-Meier curves for progression-free survival (PFS) of patients according to CTC, mesenchymal CTC (MCTC), and CTC-WBC before and after surgery. (a) Preoperative CTC and postoperative CTC (b) with PFS. (c) and (d) Preoperative MCTC and postoperative MCTC with PFS. (e) and (f) Preoperative CTC-WBC and postoperative CTC-WBC with PFS. N = 131. CTC: circulating tumor cells; WBC: white blood cell; PFS: progression-free survival; MCTC: mesenchymal CTC.
