EGFR and neoplasm: Besides regulating EGFR trafficking (Heisermann et␣al,1990), T693 phosphorylation is a highly conserved residue (see response to referees in Review Process File available online) and involved in the response to stress or to the anti‐tumour agent cisplatin via p38 activation (Winograd‐Katz & Levitzki, 2006; Zwang & Yarden, 2006).