Abstract
Background
The aim of this study was to analyze the prognostic factors associated with long-term outcome after liver resection for colorectal metastases. The retrospective analysis included 297 liver resections for colorectal metastases.
Methods
The variables considered included disease stage, differentiation grade, site and nodal metastasis of the primary tumor, number and diameter of the lesions, time from primary cancer to metastasis, preoperative carcinoembryonic antigen (CEA) level, adjuvant chemotherapy, type of resection, intraoperative ultrasonography and portal clamping use, blood loss, transfusions, complications, hospitalization, surgical margins status, and a clinical risk score (MSKCC-CRS).
Results
The univariate analysis revealed a significant difference (p < 0.05) in overall 5-year survival rates depending on the differentiation grade, preoperative CEA >5 and >200 ng/ml, diameter of the lesion >5 cm, time from primary tumor to metastases >12 months, MSKCC-CRS >2. The multivariate analysis showed three independent negative prognostic factors: G3 or G4 grade, CEA >5 ng/ml, and high MSKCC-CRS.
Conclusions
No single prognostic factor proved to be associated with a sufficiently disappointing outcome to exclude patients from liver resection. However, in the presence of some prognostic factors (G3–G4 differentiation, preoperative CEA >5 ng/ml, high MSKCC-CRS), enrollment of patients in trials exploring new adjuvant treatments is suggested to improve the outcome after surgery.
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Arru, M., Aldrighetti, L., Castoldi, R. et al. Analysis of Prognostic Factors Influencing Long-term Survival After Hepatic Resection for Metastatic Colorectal Cancer. World J Surg 32, 93–103 (2008). https://doi.org/10.1007/s00268-007-9285-y
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DOI: https://doi.org/10.1007/s00268-007-9285-y