title: Rebuttal from Dr Doss.
authors.affiliation: Department of Diagnostic Imaging, Fox Chase Cancer Center, Philadelphia, PA. Electronic address: mohan.doss@fccc.edu.
authors.forename: Mohan
authors.initials: M
authors.lastname: Doss
mesh_terms: D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008403:Mass Screening / Q000379:methods*; D005791:Patient Care; D011832:Radiation Injuries / Q000517:prevention & control*; D014057:Tomography, X-Ray Computed / Q000592:standards*