title: Nodal staging: number or site of nodes? How to improve accuracy? Is FNA always necessary? Junctional tumors--what's N and what's M?
authors.affiliation: Gastroenterology Division, Hospital Ramon y Cajal, Madrid, Alcala University, Spain. evazquezs@hotmail.com
authors.forename: E
authors.initials: E
authors.lastname: Vazquez-Sequeiros
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging / Q000473:pathology*; D000465:Algorithms; D019540:Area Under Curve; D044963:Biopsy, Fine-Needle / Q000379:methods*; D019160:Endosonography; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D009367:Neoplasm Staging / Q000379:methods*; D012372:ROC Curve; D012680:Sensitivity and Specificity