Evaluation of abdominal masses in infants and children.
D000008:Abdominal Neoplasms / Q000175:diagnosis* / Q000601:surgery; D002648:Child; D006801:Humans; D007223:Infant; D009447:Neuroblastoma / Q000175:diagnosis / Q000601:surgery; D009396:Wilms Tumor / Q000175:diagnosis / Q000601:surgery