Liver resection is more commonly performed for a focal mass lesion such as a cyst, adenoma, focal nodular hyperplasia or metastatic colorectal carcinoma, and is, therefore, limited in extent, e.g., segmentectomy, lobectomy or partial hepatectomy. Other indications are major trauma and a small minority of resectable primary liver cancers. Specimen handling and reporting should document the nature of the abnormality, its extent, completeness of excision, vascular invasion and status of the background parenchyma. Total hepatectomy is encountered in transplantation surgery - aims are to identify the cause of hepatic failure, and for tumour to determine the stage and assess porta hepatis margins.
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