title: Small masses in the kidney.
authors.affiliation: University of Pennsylvania Medical Center, Philadelphia 19104, USA.
authors.forename: B A
authors.initials: BA
authors.lastname: Birnbaum
mesh_terms: D006801:Humans; D007674:Kidney Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008279:Magnetic Resonance Imaging; D011860:Radiography, Abdominal; D014057:Tomography, X-Ray Computed