EGFR and cancer: Four variations (2.6%) were identical to potential or demonstrated activating mutations in EGFR TK domain already reported in other cancers, in particular NSCLC (http://www.sanger.ac.uk/genetics/CGP/cosmic/) (Table 4) and two variations (1.3%) have never been reported in any available database (a one-bp deletion in exon 20 (c.2373) and an intronic one (c.2625+68)) (Table 3).