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Table 5 Concordance of PIK3CA mutation genotypes between endoscopic biopsy and surgically resected specimens in cases exhibiting a PIK3CA mutation in both specimen types

From: Concordance between PIK3CA mutations in endoscopic biopsy and surgically resected specimens of esophageal squamous cell carcinoma

  Surgically resected specimens (reference method)
E542K E545K E546Q H1047R H1047L
Endoscopic biopsy specimens (trial method) E542K 1 0 0 0 0
E545K 0 3 0 0 0
E546Q 0 0 0 0 0
H1047R 0 0 0 5 0
H1047L 0 0 0 0 1