title: Ventilation-perfusion mismatch caused by extrinsic compression of the pulmonary artery. Correlative imaging.
authors.affiliation: Department of Radiology, New England Medical Center, Tufts University School of Medicine, Boston, Massachusetts.
authors.forename: D M
authors.initials: DM
authors.lastname: Achong
mesh_terms: D000792:Angiography; D003251:Constriction, Pathologic / Q000473:pathology; D006679:HIV Seropositivity; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D008175:Lung Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011651:Pulmonary Artery / Q000473:pathology*; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D014057:Tomography, X-Ray Computed