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KM-curves for patients with DM as site of first metastasis (a) CSS by CTC-status (b) PRS by CTC-status (c) DFS by CTC-status CTC: Circulating tumour cell, CSS: Cancer-specific survival, PRS: Post-recurrence survival, DFS: Disease-free survival, HR: Hazard ratio. Statistical significance assumed for p < 0.05, indicated by use of bold font.
