title: [2 cases of malignant liver neoplasms in children].
mesh_terms: D000367:Age Factors; D006528:Carcinoma, Hepatocellular / Q000473:pathology*; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D008113:Liver Neoplasms / Q000473:pathology*; D008297:Male; D009362:Neoplasm Metastasis; D012186:Retroperitoneal Neoplasms / Q000473:pathology*
vernacular_title: Dwa przypadki guzów złośliwych watroby u dzieci.