title: Frozen section of N2 nodes is invaluable whenever unexpected suspicious operative findings are encountered.
authors.affiliation: Division of Thoracic Surgery, Department of Surgery, Duke University Medical Center, Durham, NC.
authors.forename: Chi-Fu Jeffrey
authors.initials: CJ
authors.lastname: Yang
authors.affiliation: Division of Thoracic Surgery, Department of Surgery, Duke University Medical Center, Durham, NC.
authors.forename: Thomas A
authors.initials: TA
authors.lastname: D'Amico
authors.affiliation: Department of Cardiothoracic Surgery, Stanford University Medical Center, Stanford, Calif.
authors.forename: Mark F
authors.initials: MF
authors.lastname: Berry
mesh_terms: D005629:Frozen Sections; D006801:Humans; D008198:Lymph Nodes; D008207:Lymphatic Metastasis; D012189:Retrospective Studies