EGFR-mutant NSCLC tumors concurrently harbor PTEN mutations in 6.6% (1/15), agreeing with TCGA where PTEN deletion or mutation was found in 5.5% (1/18) of EGFR-exon 19 deletion or L858R mutant tumors [84]. Here, EGFR is linked to non-small cell lung carcinoma.