PIK3CA and non-small cell lung carcinoma: Consecutively, six NSCLC‐related genes covered by this sequencing panel (BRAF, EGFR, ERBB2, KRAS, MET, and phosphatidylinositol‐4,5‐bisphosphate 3‐kinase catalytic subunit a [PIK3CA]) were analyzed.99 Not surprisingly, the common EGFR sequence changes, including four L858R mutations, three exon 19 deletions and one exon 20 insertion, were found to correspond 100% between the assay platforms.