In line with other series [15,16], we found a predominance of women (68%), with the age of above 50 years old at diagnosis (mean of 54.6); all cases were adenocarcinoma, in nonsmokers (78.6%), and with alterations in the ERBB family (70% of the tested cases; 14 of 20 patients) concentrated in exons 18 to 20 (to the EGFR), and one case with HER 2 exon 20 insertion. This evidence concerns the gene EGFR and adenocarcinoma.