Influence of surgery on metachronous distant metastases and survival in rectal cancer

Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology
F KöckerlingW Hohenberger

Abstract

Total mesorectal excision (TME) and other technical surgical factors reduce local recurrence rate in rectal cancer. Scientific evidence of the positive effect of optimal surgery on survival is locking. Whether a reduction in the incidence of distant metastases can be achieved with optimal surgery is uncertain. We examine the effects of the quality of surgery, as reflected by local recurrence rate, on survival and the incidence of initial distant metastases. Between 1974 and 1991, 1,581 consecutive patients who underwent curative resection (RO) for rectal carcinoma were monitored for recurrence and survival. TME was introduced in 1985. No patient received adjuvant radiotherapy or chemotherapy. The median follow-up time was greater than 13 years. The local recurrence rate decreased from 39.4% to 9.8% during the study period (P < .0001). The observed 5-year survival rate improved from 50% to 71% (P < .0001). Three hundred six patients with local recurrence had a significantly lower observed 5-year survival rate (P < .0001). A total of 1,285 patients had no local recurrence, but 275 of them developed distant metastases (International Union Against Cancer [UICC] stage I, 8%; stage II, 16%; stage III, 40%). Better-quality surgery had...Continue Reading

Citations

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