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Overall survival according to CTC enumeration in patients with 5–19 vs ≥20 CTC/7.5 ml WB at baseline using the revised algorithm. 4A. OS for patients with 5–19 vs. ≥20 CTC/7.5 ml WB; 4B. OS of patients with 5–19 CTC/7.5 ml WB divided by doublets or clusters vs. no doublets or clusters; 4C. OS of patients with ≥20 CTC/7.5 ml WB divided by doublets or clusters vs no doublets or cluster.
