title: Potential pitfall in CT and sonographic evaluation of suspected lymphoma.
mesh_terms: D003951:Diagnostic Errors; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*; D012187:Retroperitoneal Space / Q000098:blood supply*; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography; D014648:Varicose Veins / Q000175:diagnosis*