title: Computed tomography screening for lung cancer: what is a positive screen?
authors: Stephen
authors: S
authors: Lam
authors: Annette
authors: A
authors: McWilliams
authors: John
authors: J
authors: Mayo
authors: Martin
authors: M
authors: Tammemagi
mesh_terms: D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology*; D008403:Mass Screening / Q000379:methods*; D014057:Tomography, X-Ray Computed / Q000379:methods*