Figure 1From: Diagnostic application of PIK3CA mutation analysis in Chinese esophageal cancer patientsRepresentative results for PIK3CA exon 9 and 20 mutation analysis. EC058 (A) and EC037 (B) were detected harboring E545K and H1047R mutation using Sanger sequencing and ARMS, but the same samples were considered wt according to pyrosequencing.Back to article page