title: Classification of primary malignant tumors of liver in infancy and childhood.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D006528:Carcinoma, Hepatocellular; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008113:Liver Neoplasms / Q000145:classification*; D008297:Male; D008854:Microscopy, Electron; D009362:Neoplasm Metastasis; D009373:Neoplasms, Germ Cell and Embryonal / Q000145:classification