title: Tissue is the issue: is endoscopic ultrasonography with or without fine-needle aspiration biopsy in the staging of non-small-cell lung cancer an advance?
authors.forename: P
authors.initials: P
authors.lastname: White
authors.forename: D S
authors.initials: DS
authors.lastname: Ettinger
mesh_terms: D001707:Biopsy, Needle; D002289:Carcinoma, Non-Small-Cell Lung / Q000473:pathology*; D019160:Endosonography; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008207:Lymphatic Metastasis; D009367:Neoplasm Staging / Q000379:methods*