title: Letter to the Editor.
authors.affiliation: Division of Respiratory Medicine, Mito Medical Center, University of Tsukuba, Ibaraki, Japan.
authors.forename: Tomohiro
authors.initials: T
authors.lastname: Tamura
authors.affiliation: Division of Respiratory Medicine, Mito Medical Center, University of Tsukuba, Ibaraki, Japan.
authors.forename: Hiroaki
authors.initials: H
authors.lastname: Satoh
mesh_terms: D002289:Carcinoma, Non-Small-Cell Lung; D006801:Humans; D008175:Lung Neoplasms; D012042:Registries