Fig. 3: Kaplan–Meier estimates of recurrence-free survival for postoperative CEA, postoperative ctDNA levels and the combined effect. | British Journal of Cancer

Fig. 3: Kaplan–Meier estimates of recurrence-free survival for postoperative CEA, postoperative ctDNA levels and the combined effect.

From: Serial circulating tumour DNA analysis for locally advanced rectal cancer treated with preoperative therapy: prediction of pathological response and postoperative recurrence

Fig. 3

a Comparison of patients with normal levels of postoperative CEA (<5.0 ng/ml) and those with high levels (≥5.0 ng/ml). b Comparison of patients with low levels of postoperative ctDNA (<0.5%) and those with high levels (≥0.5%). c Effect of combined analysis of postoperative CEA and ctDNA levels.

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