Abstract
The only curative treatment of colorectal liver metastases (CRLM) is surgical resection. Preoperative/neoadjuvant chemotherapy can be used for resectable, for borderline resectable or even for irresectable CRLM patients. Data of CRLM patients treated with surgical resection at the Uzsoki Hospital were analysed. Patients were classified into two groups, (A) who received preoperative chemotherapy before hepatic resection, and (B) who received no chemotherapy before resection. Between 01.01.2007. and 31.12.2010. 128 CRLM patients were treated with hepatic resection. 68 patients (53%) received chemotherapy before hepatic resection, 60 patients (47%) were resected without neoadjuvant chemotherapy. There was no significant difference in the complications between the groups (p = 0.39). Median overall survival was 41 months. The progression free survival (PFS) at 3 and 5 years were 25%, the 3 and 5 year overall survival (OS) were 55% and 31%. Both PFS and OS were significantly worse in the chemotherapy group (p = 0.014, p = 0.015). The subgroup of patients receiving bevacizumab containing preoperative chemotherapy has significanly better PFS than patients receiving only cytotoxic chemotherapy (p = 0.004). Surgical resection of CRLM patients results good survival data even in non-selected patients, although the very long survival results reported in the literature couldn't have been reproduced in this patient population. When preoperative chemotherapy was combined with bevacizumab, survival was similar to the upfront resected patients.
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