Patients characteristics and treatment response by PIK3CA mutation, copy number variation, PTEN, pAkt, and INPP4B expression.

WT; wild type, ER; estrogen receptor, PR; progesteron receptor, HER2; human epidermal growth factor 2, PTEN; phosphatase and tensin homolog, INPP4B; inositol polyphosphate 4-phosphatase-II,aMutation was defind as positive if the proportion of mutant DNA was more than 10% by digital PCR analysis.bcopy number gain was defiend if the copy number of PIK3CA was greater than 1.5 compared to RNaseP.Patients characteristics and treatment response by PIK3CA mutation, copy number variation, PTEN, pAkt, and INPP4B expression.