Risk Factors Associated with Distant Metastasis and Survival Outcomes in Breast Cancer Patients with Locoregional Recurrence.
10.4048/jbc.2015.18.2.160
- Author:
Soojin PARK
1
;
Wonshik HAN
;
Jongjin KIM
;
Min Kyoon KIM
;
Eunshin LEE
;
Tae Kyung YOO
;
Han Byoel LEE
;
Young Joon KANG
;
Yun Gyoung KIM
;
Hyeong Gon MOON
;
Dong Young NOH
Author Information
1. Center for Breast Cancer, National Cancer Center, Goyang, Korea.
- Publication Type:Original Article
- Keywords:
Breast neoplasms;
Local neoplasm recurrence;
Neoplasm metastasis;
Prognosis;
Risk factors
- MeSH:
Breast Neoplasms*;
Chemotherapy, Adjuvant;
Humans;
Logistic Models;
Neoplasm Metastasis*;
Neoplasm Recurrence, Local;
Prognosis;
Recurrence*;
Risk Factors*
- From:Journal of Breast Cancer
2015;18(2):160-166
- CountryRepublic of Korea
- Language:English
-
Abstract:
PURPOSE: To decide the optimal treatment for breast cancer patients with locoregional recurrence (LRR), it is important to determine which group has the highest risk of subsequent distant metastasis (DM). We aimed to investigate the factors associated with DM in patients with LRR. METHODS: We reviewed the data of 208 patients with LRR as the first event after primary surgery for breast cancer at our institution between 1997 and 2010, to identify significant factors associated with DM. Subsequently, Kaplan-Meier curves and the Cox regression method were used to analyze the correlation between clinical factors and survival. RESULTS: DM occurred in 33.2% (68/208) of LRR patients. The median DM-free interval was 23 months. Some clinical factors were associated with DM in univariate analysis, including the type of primary surgery (p=0.026), tumor size (p=0.005), nodal status (p=0.011), and administration of initial adjuvant chemotherapy (p=0.001). In addition, regional rather than local recurrence and a disease-free interval (DFI; duration between primary surgery and LRR) < or =30 months were also significant (p<0.001 for both). However, only a shorter DFI reached significance in multiple logistic regression analysis. Cox regression analysis of DM-free survival showed that both a shorter DFI and regional recurrence were significant factors with hazard ratios of 2.1 (95% confidence interval [CI], 1.21-3.65) and 1.85 (95% CI, 1.04-3.28), respectively. CONCLUSION: DFI was the most important factor associated with subsequent DM in patients with LRR as a first event of failure.
