Risk stratification system for groups with a low, intermediate, and high risk of subsequent distant metastasis and death following isolated locoregional recurrence of breast cancer
Breast Neoplasms
Prognosis
Combined Modality Therapy
Risk Assessment
3. Good health
03 medical and health sciences
Treatment Outcome
0302 clinical medicine
Recurrence
Biomarkers, Tumor
Humans
Female
Neoplasm Metastasis
Neoplasm Staging
DOI:
10.1007/s10549-019-05469-5
Publication Date:
2019-10-23T17:04:54Z
AUTHORS (15)
ABSTRACT
This study aimed to identify prognostic factors for long-term outcomes among patients with isolated locoregional recurrence (ILRR) of breast cancer as their first failure event. Many prognostic tools have been developed to inform systemic treatment choices in the adjuvant setting, but tools for predicting post-ILRR prognosis are scarce.A total of 495 patients who experienced ILRR after primary surgery at the Asan Medical Center between 1989 and 2008 were included. All patient information and tumor characteristics at the initial surgery were retrieved from our retrospectively collected database, and ILRRs were categorized as local recurrence or regional recurrence (RR). Distant metastasis-free survival (DMFS), breast cancer-specific survival (BCSS), and overall survival post-ILRR were calculated.The median follow-up from the ILRR was 65 months (range 1-249 months), and the 5-year post-ILRR DMFS rate was 58.9%. We found three factors-lymph node metastasis, a disease-free interval < 30 months, and RR as the ILRR type-that were independent prognostic factors for both DMFS [hazard ratio (HR) = 2.08, 1.60, and 1.59; P < 0.001, 0.002, and 0.003, respectively] and BCSS (HR = 2.28, 1.99, and 1.48; P < 0.001, < 0.001, and 0.016, respectively) post-ILRR. Patients were classified into four groups according to the presence these three prognostic indicators: the low-, intermediate-, high-, and extremely high-risk groups. The 5-year post-ILRR DMFS rates were 79.4%, 68.1%, 47.6%, and 36.0%, respectively.This risk stratification system for subsequent distant metastases after ILRR can be used to make more informed decisions regarding prognosis-based local or systemic management strategies.
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CITATIONS (7)
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