title: Epidermal growth factor receptor gene copy number in esophageal cancer and outcome prediction to gefitinib: does intratumoral heterogeneity matter?
authors.forename: Nicola
authors.initials: N
authors.lastname: Personeni
mesh_terms: D000328:Adult; D000368:Aged; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D066246:ErbB Receptors / Q000037:antagonists & inhibitors* / Q000235:genetics; D004938:Esophageal Neoplasms / Q000188:drug therapy* / Q000473:pathology*; D005260:Female; D000077156:Gefitinib; D006801:Humans; D008297:Male; D008875:Middle Aged; D011799:Quinazolines / Q000627:therapeutic use*; D016896:Treatment Outcome
chemical_list: D000970:Antineoplastic Agents; D011799:Quinazolines; D066246:ErbB Receptors; D000077156:Gefitinib