Abstract
Although surgical resection is the only potential treatment for patients with colorectal liver metastases (CLM), the actual cure is rare in patients with advanced CLM. Repeat resection (RR) is the most effective treatment in patients with recurrence; however, whether patients with initially advanced CLM achieve cure throughout RR or experience repeated recurrence even after RR remains unclear. In this study, we analyzed whether patients with advanced CLM achieve cure after RR. Consecutive patients who underwent initial hepatectomy with curative intent for CLM from January 1999 to August 2007 were included. Patients who were alive at 10years from the initial hepatectomy without any evidence of recurrence were defined as cured. Cure rates were compared between patients with Fong's clinical risk score (CRS) of ≥ 3 and those with CRS of ≤ 2. A total of 257 patients were included and followed up. Among them, 93 (36.2%) patients achieved actual cure postoperatively. The cure rate of patients with a CRS of ≥ 3 was 32.4% (33/102), which was not different from that of patients with a CRS of ≤ 2 (38.7% [60/155]; p = 0.299), although former patients had higher recurrence rate after the initial hepatectomy than latter ones (85.3% vs. 72.3%; p = 0.014). The cure rates after the initial, second, and third resections were 23.0% (59/257), 30.0% (24/80), and 22.5% (7/31), respectively. In multivariate analysis, RR was determined as an independent favorable factor of achieving cure. RR had a potential to cure patients with advanced CLM, and one-third of them achieved cure.
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