[2 cases of malignant liver neoplasms in children].
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*
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