Common abdominal masses in children.
D000005:Abdomen; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007674:Kidney Diseases / Q000000981:diagnostic imaging* / Q000628:therapy*; D009447:Neuroblastoma; D011859:Radiography