Incidence, distribution, and significance of hilar lymph node metastases in hepatic colorectal metastases Surg Oncol Clin N Am. 2003 Jan;12(1):221-9 In cases of proven HLNM, combined liver resection and lymphadenectomy could be considered in selected patients. This selection should be performed on an individual basis guided by the absence of important comorbid condition, the biology of the disease, and the surgeon's judgment that this is limited hilar lymphatic involvement without other sites of extrahepatic disease. Systematic routine en bloc lymphadenectomy currently has no prognostic value and no known therapeutic effects http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12735140&dopt=Abstract
Surgical management of isolated retroperitoneal recurrences of colorectal carcinoma Dis Colon Rectum 2002 Jun;45(6):795-801 The median survival in patients who underwent resection patients was 31 months compared with 3 months in those patients who did not undergo resection (P = 0.0001). http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12072633&dopt=Abstract