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Procedure

Wedge resection Partial hepatectomy Major hepatectomy (3 segments or more) Minor hepatectomy (less than 3 segments) Total hepatectomy Other Not specified

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Tumor Characteristics

Tumor Focality

Solitary Multiple For multiple tumors, repeat the following 4 elements (Tumor Site, Tumor Size, Treatment Effect, and Satellitosis) for up to 5 largest tumor nodules

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Tumor nodule #1

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Histologic Type

Hepatocellular carcinoma Hepatocellular carcinoma, fibrolamellar Hepatocellular carcinoma, scirrhous Hepatocellular carcinoma, clear cell type Hepatoblastoma Other histologic type Carcinoma, type cannot be determined

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Histologic Grade

G1: Well differentiated G2: Moderately differentiated G3: Poorly differentiated G4: Undifferentiated Other GX: Cannot be assessed Not applicable

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Tumor Extension

No evidence of primary tumor Tumor confined to liver Tumor involves a major branch of the portal vein Tumor involves hepatic vein(s) Tumor involves (perforates) visceral peritoneum Tumor directly invades gallbladder Tumor directly invades diaphragm Tumor directly invades other adjacent organs Cannot be assessed

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Margins - Parenchymal

Cannot be assessed Uninvolved by invasive carcinoma Involved by invasive carcinoma Not applicable

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Margins - Other

Cannot be assessed Uninvolved by invasive carcinoma Involved by invasive carcinoma Not applicable

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Vascular Invasion

Not identified Present, Small vessel invasion Present, Large vessel invasion (major branch of hepatic vein or portal vein) Cannot be determined

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+ Perineural Invasion

Not identified Present Cannot be determined

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Regional Lymph Nodes

Check here if any lymph nodes submitted?

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Pathologic Staging (pTNM)

TNM Descriptors (select all that apply)

Not applicable m r y

pT

pT0: No evidence of primary tumor pT1a: Solitary tumor ≤2 cm pT1b: Solitary tumor >2 cm without vascular invasion pT2: Solitary tumor >2 cm with vascular invasion, or multiple tumors, none >5 cm pT3: Multiple tumors, at least one of which is >5 cm pT4: Single tumor or multiple tumors of any size involving a major branch of the portal vein or hepatic vein pT4: or, Tumor(s) with direct invasion of adjacent organs other than the gallbladder pT4: or, Tumors with perforation of visceral peritoneum

pN

pNX: Regional lymph nodes cannot be assessed pN0: No regional lymph node metastasis pN1: Regional lymph node metastasis

pM

pMx: Not applicable pM1: Distant metastasis

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+ Additional Pathologic Findings (select all that apply)

None identified Fibrosis, Stage 1 (Batts-Ludwig scheme) Fibrosis, Stage 2 (Batts-Ludwig scheme) Fibrosis, Stage 3 (Batts-Ludwig scheme) Cirrhosis Low-grade dysplastic nodule High-grade dysplastic nodule Steatosis Steatohepatitis Iron overload Chronic hepatitis Other