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Figure 3 | BMC Cancer

Figure 3

From: Selection criteria for radiofrequency ablation for colorectal liver metastases in the era of effective systemic therapy: a clinical score based proposal

Figure 3

Kaplan-Meier plots of overall survival (OS). Stratification according to the presence (score 4) versus partial or complete absence (score 0–3) of 4 criteria before radiofrequency ablation of colorectal liver metastases. Criteria: (1) response to prior systemic therapy; (2) ≤3 CLM; (3) ≤3 cm lesion size; and (4) carcinoembryonic antigen level ≤100 ng/mL.

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