Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver · 2018
Does the site of primary colorectal cancer influence the outcome after resection of isolated liver metastases?
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Makowiec Frank, Menzel Magdalena, Bronsert Peter, Holzner Philipp A, Klock Andrea, Lang Sven A, Fichtner-Feigl Stefan, Neeff Hannes P
Аннотация
INTRODUCTION: In unresectable patients with metastatic colorectal cancer (CRC), the site of the primary is a strong prognostic factor warranting major adjustments in palliative medical treatment. Initial results suggested that the site of CRC influences prognosis after curative resection of colorectal liver metastases (CLM). In this study, we evaluated outcome after resection of isolated CLM with regard to the location of the primary.
METHODS: 221 patients with macroscopically complete resection of CLM and no known extrahepatic disease were identified. 63 patients had right-sided and 158 had left-sided CRC. Tumors of the transverse colon and rectum were excluded. Survival was evaluated using the Kaplan-Meier method.
RESULTS: Characteristics of CLM, primary tumor stage and chemotherapeutic regimens were not significantly different between the two groups. Kaplan-Meier five-year survival was comparable (41%) in patients with right- or left-sided CRC (p = 0.64). Microscopic resection margin, number of liver metastases, age and nodal status but not the site of the primary tumor significantly influenced survival.
CONCLUSION: The site of the colorectal primary in this well-defined group of patients after resection of isolated CLM did not prove to be of significant prognostic value. Whether the primary tumor in CLM is located on the left side or the right should not preclude patients from surgery.
METHODS: 221 patients with macroscopically complete resection of CLM and no known extrahepatic disease were identified. 63 patients had right-sided and 158 had left-sided CRC. Tumors of the transverse colon and rectum were excluded. Survival was evaluated using the Kaplan-Meier method.
RESULTS: Characteristics of CLM, primary tumor stage and chemotherapeutic regimens were not significantly different between the two groups. Kaplan-Meier five-year survival was comparable (41%) in patients with right- or left-sided CRC (p = 0.64). Microscopic resection margin, number of liver metastases, age and nodal status but not the site of the primary tumor significantly influenced survival.
CONCLUSION: The site of the colorectal primary in this well-defined group of patients after resection of isolated CLM did not prove to be of significant prognostic value. Whether the primary tumor in CLM is located on the left side or the right should not preclude patients from surgery.