Abdominal masses in infants, children.
D000008:Abdominal Neoplasms / Q000601:surgery*; D002648:Child; D002675:Child, Preschool; D005260:Female; D005831:Genital Diseases, Female / Q000601:surgery*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D007690:Polycystic Kidney Diseases / Q000601:surgery*