title: Thymoma of epithelial cell type with liver metastasis in a 9 year old boy.
mesh_terms: D002648:Child; D006801:Humans; D008099:Liver / Q000473:pathology; D008113:Liver Neoplasms / Q000473:pathology; D008297:Male; D009362:Neoplasm Metastasis; D013945:Thymoma / Q000473:pathology; D013950:Thymus Gland / Q000473:pathology; D013953:Thymus Neoplasms / Q000473:pathology