How useful is ultrasound in the management of abdominal malignancy?
D000008:Abdominal Neoplasms / Q000175:diagnosis* / Q000473:pathology*; D002648:Child; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000175:diagnosis / Q000601:surgery; D009367:Neoplasm Staging; D009447:Neuroblastoma / Q000175:diagnosis / Q000601:surgery; D014463:Ultrasonography; D009396:Wilms Tumor / Q000175:diagnosis / Q000601:surgery