Fig. 1From: A DNA methylation-based test for esophageal cancer detectionBoxplots with all points of COL14A1 (a), GPX3 (b) and ZNF569 (c) relative methylation levels in the normal esophagus (n = 56) and esophageal tumor tissues (n = 88). *** p < 0.001; n.s- non-significantBack to article page