Figure 9From: Diagnostic accuracy of circulating tumor cells detection in gastric cancer: systematic review and meta-analysis Summary ROC plot of SEN and SPE of CK 19, Ck 20, and CEA based CTCs detections. (Dotted ellipses around the spots represent the 95% CI around the summary estimates. The diamonds, rectangles and circles represent individual studies and size of the diamonds/rectangles/circles is proportional to the number of patients included in the study).Back to article page