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Preoperative Treatment

No known preoperative therapy Preoperative therapy given Not specified

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Post treatment histologic type (applicable only if preoperative therapy was given)

Not applicable Hepatoblastoma, epithelial type, fetal pattern (mitotically inactive / well differentiated) Hepatoblastoma, epithelial type, fetal pattern (mitotically active / crowded) Hepatoblastoma, epithelial type, embryonal pattern Hepatoblastoma, epithelial type, pleomorphic pattern (poorly differentiated) Hepatoblastoma, epithelial type, macrotrabecular pattern Hepatoblastoma, epithelial type, small cell undifferentiated pattern Hepatoblastoma, epithelial and mesenchymal type, without teratoid features Hepatoblastoma, epithelial and mesenchymal type, with teratoid features Hepatoblastoma, other (specify, i.e., blastemal, cholangioblastic, squamoid or glandular patterns): Hepatocellular neoplasm, not otherwise specified No viable tumor

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+ Macroscopic Extent of Tumor (select all that apply)

Tumor confined to the liver Tumor extends into adjacent organs Tumor extends into diaphragm Tumor extends into abdominal wall Tumor with Intraoperative tumor spill Gross tumor rupture, preoperative Other Cannot be determined

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Margins - Resection

Cannot be assessed Uninvolved by tumor Involved by tumor

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Capsular Surface Status

Cannot be assessed Uninvolved by tumor Involved by viable tumor Involved by non-viable tumor Cannot be determined

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+ Macroscopic Lymphovascular Invasion

Not identified Portal vein invasion present Hepatic vein invasion present Cannot be determined

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+ Microscopic Lymphovascular invasion

Not applicable Absent Present Cannot be determined

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Check here if any lymph nodes submitted?

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Distant Metastasis

Not known Present