title: Invited commentary.
authors.affiliation: Thoracic Surgery, University of Maryland, 510 Upper Chesapeake Dr, Ste 515, Bel Air, MD 21014. Electronic address: lmartin@smail.umaryland.edu.
authors.forename: Linda W
authors.initials: LW
authors.lastname: Martin
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000401:mortality* / Q000628:therapy*; D059248:Chemoradiotherapy / Q000379:methods*; D004938:Esophageal Neoplasms / Q000401:mortality* / Q000628:therapy*; D005260:Female; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D008297:Male