• Research suggests hepatocellular carcinoma (HCC) is the most common liver tumor considered for transplantation, with specific size and spread criteria.

• It seems likely that cholangiocarcinoma and colorectal liver metastases (CRLM) may be considered in select cases, but this is less common and debated.

• The evidence leans toward strict criteria, like the Milan criteria, to ensure successful outcomes, though some centers use expanded guidelines.