Long-term survival after hepatic cryosurgery versus surgical resection for metastatic colorectal carcinoma: a critical review of the literature.

OBJECTIVE: To critically assess the evidence for long-term survival after hepatic resection and hepatic cryosurgery for metastatic colorectal cancer. The purpose of this review is to determine if a randomized controlled trial comparing these two treatment modalities is justified. DATA SOURCES: A review of the medical literature from 1973 to 1995 using the MEDLINE and CANCERLIT databases. References were also retrieved from the bibliographies of …