Определение мутаций E542K (c.1624G>A; p.Glu542Lys), E545Q (c.1633G>C; p.Glu545Gln), E545K (c.1633G>A; p.Glu545Lys), H1047L (c.3140A>T; p.His1047Leu), H1047R (c.3140A>G; p.His1047Arg) в гене PIK3CA (A27.30.016.000.01)