Abstract
The aim of this review is to discuss existing data on liver transplantation for colorectal liver metastasis, emerging controversies, and future directions. Contemporary experience with transplanting patients with liver metastasis from colon cancer is mainly derived from European centers, with a large proportion being from a single institution (SECA study), made possible in part by a relatively high donor pool. The initial results prove to be encouraging by demonstrating an overall survival advantage over unresectable patients with liver-limited disease managed with chemotherapy only. Recurrence patterns, however, suggest a need for better patient selection and treatment sequencing optimization. In North America, the main barriers in establishing similar protocols result from national liver graft shortage, which represents an issue of competing resources when indications have yet to be well defined. Evolving strategies in transplantation, such as the utilization of marginal liver grafts and living donor liver transplantation might constitute potential solutions. Evidence suggests a potential survival benefit of liver transplantation for a subset of patients with unresectable liver-limited CRLM. Further prospective trials are needed to clarify the role and feasibility of this treatment strategy in oncotransplantation.
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