title: Letter re: uncommon mutation but common amplifications of the PIK3CA gene in thyroid tumors.
authors.forename: Dingxie
authors.initials: D
authors.lastname: Liu
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Mambo
authors.forename: Paul W
authors.initials: PW
authors.lastname: Ladenson
authors.forename: Mingzhao
authors.initials: M
authors.lastname: Xing
mesh_terms: D014408:Biomarkers, Tumor / Q000235:genetics; D058534:Class I Phosphatidylinositol 3-Kinases; D005784:Gene Amplification; D005787:Gene Frequency; D006801:Humans; D009154:Mutation; D019869:Phosphatidylinositol 3-Kinases / Q000235:genetics*; D013964:Thyroid Neoplasms / Q000235:genetics*
chemical_list: D014408:Biomarkers, Tumor; D019869:Phosphatidylinositol 3-Kinases; D058534:Class I Phosphatidylinositol 3-Kinases; C484760:PIK3CA protein, human