title: Letter: Ultraperil of diagnostic ultrasound.
mesh_terms: D000368:Aged; D003560:Cysts / Q000175:diagnosis; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D007674:Kidney Diseases / Q000175:diagnosis; D007680:Kidney Neoplasms / Q000175:diagnosis; D014463:Ultrasonography