MET and gastric cancer: High c‐MET gene copy number is associated with poor survival in NSCLC, ovarian clear cell adenocarcinoma and gastric cancer (Beau‐Faller et al., 2008; Cappuzzo et al., 2009; Chen et al., 2011; Go et al., 2010; Park et al., 2012; Shi et al., 2012; Yamashita et al., 2013).