Qiu Qiu X X Wang Wang Y Y Liu Liu F F Survival and prognosis analyses of concurrent PIK3CA mutations in EGFR mutant non-small cell lung cancer treated with EGFR tyrosine kinase inhibitors Survival and prognosis analyses of concurrent PIK3CA mutations in EGFR mutant non-small cell lung cancer treated with EGFR tyrosine kinase inhibitors Am J Cancer Res Am J Cancer Res 2021 2021 11 11 3189 3189 3200 3200 supplied-pmid 34249454? Here, EGFR is linked to non-small cell lung carcinoma.