Figure 4From: Meta-analysis of the prognostic value of circulating tumor cells detected with the CellSearch System in colorectal cancerRisk ratios summary for the correlation of tumor response and CTCs. A: The estimated risk ratio (RR) was summarized for the correlation of tumor response with CTCs detected at baseline time. B: The estimated RR was summarized for the correlation of tumor response with CTCs detected at during-treatment time.Back to article page