title: High-cost imaging in elderly patients with stage IV cancer: challenges for research, policy, and practice.
authors.forename: K Robin
authors.initials: KR
authors.lastname: Yabroff
authors.forename: Joan L
authors.initials: JL
authors.lastname: Warren
mesh_terms: D005260:Female; D017048:Health Care Costs / Q000639:trends*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000191:economics*; D008297:Male; D009369:Neoplasms / Q000175:diagnosis* / Q000191:economics*; D049268:Positron-Emission Tomography / Q000191:economics*; D015899:Tomography, Emission-Computed, Single-Photon / Q000191:economics*; D014057:Tomography, X-Ray Computed / Q000191:economics*