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PDQ Cancer Information Summaries [Internet]. Bethesda (MD): National Cancer Institute (US); 2002-.

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PDQ Cancer Information Summaries [Internet].

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Table 3. Definition of Evans Surgical Staging

Evans Surgical Stage Definition
Stage I The tumor is completely resected.
Stage II Microscopic residual tumor remains after resection.
Stage III There are no distant metastases and at least one of the following is true: (1) the tumor is either unresectable or the tumor is resected with gross residual tumor; (2) there are positive extrahepatic lymph nodes.
Stage IV There is distant metastasis, regardless of the extent of liver involvement.

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