Abstract

ANGEL, Javier et al. Mortality and relapse after conservative surgery in breast cancer patients. rev.colomb.cancerol. [online]. 2015, vol.19, n.1, pp.18-28. ISSN 0123-9015.  https://doi.org/10.1016/j.rccan.2014.09.002.

Surgical treatment for breast cancer has improved from radical surgery involving the chest wall, to conservative tumor resection surgery with oncologically safe margins. This latter, when supplemented with radiotherapy, is considered an alternative to radical surgery with similar survival for both procedures. Methodology: Retrospective observational study was performed to assess the clinical response in women older than 18 years with invasive cancer undergoing conservative surgery between 1998 and 2007. Results: A total 358 patients, with the majority in early tumor states were included for final revision. The mean age was 53 years. During a four year follow-up there were 40 local, regional and systemic relapses, with a progression rate of 2.6 relapses per 100 patients / year. There was a higher percentage of recurrence in advanced clinical status (P=.022), tumor size greater than 2 cm (P=.02), and greater number of lymph node involvement in the axillary clearance. Mortality rate was 1.2 deaths per 100 patients / year. Positive margins were associated with advanced clinical status (P=.010), and patients who received non-surgical management had a higher relapse rate compared with patients who had surgery (P=.023). This difference was maintained when comparing surgery with non-surgical management in invasive positive margins (P=.037). Conclusions: Advanced clinical stage was associated with positive margins and tumor relapse. Axillary lymph node involvement, and non-surgical management of surgical margins, resulted in a higher percentage of recurrence.

Keywords : Breast cancer; Breast neoplasm; Segmental mastectomy; Conservative surgery; Cancer recurrence.

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