title: Large left upper quadrant mass.
authors: University of New Mexico, Department of Emergency Medicine, Albuquerque, 87131, USA. aernst56@aol.com
authors: Amy A
authors: AA
authors: Ernst
authors: Steve J
authors: SJ
authors: Weiss
authors: David A
authors: DA
authors: Wachter
authors: Michael D
authors: MD
authors: Stifelman
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D012371:Robotics; D015607:Stents; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography; D014517:Ureteral Obstruction / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery