title: Nearly 90 degrees from normal.
authors.affiliation: Department of Medicine, Mayo Clinic College of Medicine, Rochester, Minn 55905, USA. Wilcox.ryan@mayo.edu
authors.forename: Ryan A
authors.initials: RA
authors.lastname: Wilcox
authors.forename: Thanila A
authors.initials: TA
authors.lastname: Macedo
authors.forename: David E
authors.initials: DE
authors.lastname: Midthun
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D016306:Vena Cava Filters / Q000009:adverse effects*; D014682:Vena Cava, Inferior / Q000473:pathology