title: Response.
authors.affiliation: Division of Pulmonary and Critical Care, Mayo Clinic Rochester, Rochester, MN. Electronic address: moua.teng@mayo.edu.
authors.forename: Teng
authors.initials: T
authors.lastname: Moua
authors.affiliation: Department of Radiology, Mayo Clinic Rochester, Rochester, MN.
authors.forename: David L
authors.initials: DL
authors.lastname: Levin
authors.affiliation: Division of Pulmonary and Critical Care, Mayo Clinic Rochester, Rochester, MN.
authors.forename: Jay H
authors.initials: JH
authors.lastname: Ryu
mesh_terms: D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications*; D008206:Lymphatic Diseases / Q000453:epidemiology* / Q000209:etiology*; D008297:Male; D008477:Mediastinal Diseases / Q000453:epidemiology* / Q000209:etiology*