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KMID : 1134120150180040386
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Journal of Breast Cancer
2015 Volume.18 No. 4 p.386 ~ p.393
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Independent Prognostic Factors for Overall Survival after Salvage Operation for Ipsilateral Breast Tumor Recurrence Following Breast-Conserving Surgery
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Lee Jun-Hee
Lee Se-Kyung
Park Sung-Min
Ryu Jae-Min
Paik Hyun-June
Yi Ha-Woo
Bae Soo-Youn
Lee Jeong-Eon
Kim Seok-Won
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Abstract
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Purpose: Few studies address independent prognostic factors after ipsilateral breast tumor recurrence (IBTR) following breast-conserving surgery (BCS). Locoregional recurrence is associated with distant metastases and increased mortality rates. Therefore anticipating prognoses after IBTR and evaluating risk factors for overall survival following a second salvage operation are important. We evaluated independent prognostic factors affecting overall survival after a second operation for IBTR.
Methods: We retrospectively identified 11,073 patients who underwent breast cancer surgery between November 1995 and December 2011. Locoregional recurrence occurred in 787 patients. Among them, IBTR developed in 165 patients selected for analysis. Excluding eight patients who refused further treatment, we analyzed 157 patients who underwent a second operation (partial mastectomy, 28 [17.8%]; total mastectomy, 129 [82.2%]) for IBTR. Excluding 26 patients with incomplete data, we evaluated the clinicopathol-ogical features influencing overall survival at the first and the second operation in the 131 patients who underwent a second operation.
Results: The median age of patients at the first operation was 43.6 years (range, 27-69 years). The median duration from the first to the second operation was 45.0 months (range, 2.5-164.6 months). The 5-year overall survival rate after IBTR was 87.1%. In the multivariable analyses, duration from the first to the second operation, histopathology, lymph node status, and adjuvant chemotherapy, radiotherapy, and endocrine therapy at the first operation were independent prognostic factors for overall survival. Positive estrogen receptor status and endocrine therapy at the second operation were also associated with increased overall survival following salvage operations for IBTR.
Conclusion: The time interval to IBTR following BCS is related to overall survival after salvage operation for IBTR and it is important to undergo optimal adjuvant treatments according to risk factors after the first operation because those risk factors affect overall survival for IBTR following BCS.
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KEYWORD
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Locoregional neoplasm recurrence, Mortality, Prognostic factors, Segmental mastectomy
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