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Chest wall recurrence in pT1-2N0-1 breast cancer patients after mastectomy without radiotherapy

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Author(s)
Ji Hyun ChangKyung Hwan ShinSeung Do AhnHae Jin ParkEui Kyu ChieJin Ho KimSu Ssan KimYong Bae KimWon ParkYeon‑Joo KimHyun Soo ShinJin Hee KimSun Young LeeKyubo KimKyung Ran ParkBae Kwon JeongJa Young KimSuzy Kim
Keimyung Author(s)
Kim, Jin Hee
Department
Dept. of Radiation Oncology (방사선종양학)
Journal Title
Breast Cancer Research and Treatment
Issued Date
2018
Volume
169
Issue
3
Keyword
1–3 positive nodesBreast cancerChest wall irradiationChest wall recurrence risk factorPost-mastectomy radiation therapy
Abstract
PURPOSE:

In correlation with the nodal status in the era of modern radiotherapy, the chest wall recurrence (CWR) rate was investigated in pT1-2N0-1 breast cancer patients after a mastectomy without post-mastectomy radiotherapy (PMRT).

METHODS:

The data from the patients participating in two South Korean multi-institutional studies (KROG 14-22; N = 1842 and KROG 14-23; N = 1382) were analyzed. In total, 3224 pT1-2N0-1 breast cancer patients who underwent mastectomy without PMRT were analyzed.

RESULTS:

The median follow-up time was 72.2 months (range 0.8-125.2 months). The overall CWRs during the follow-up period were 1.68% in N0 patients and 2.82% in N1 patients. There was no statistically significant difference in 5-year and 10-year CWR-free survival (CWRFS) between the N0 and N1 patients. Of the 70 patients with CWR, 33 (1% of all the patients) had isolated CWR, and the 10-year overall survival rate in this group was 96.9%. After the propensity score matching of the N0 and N1 groups, there was still no difference in CWRFS by nodal status.

CONCLUSIONS:

The incidence of CWR in pT1-2N0-1 breast cancer patients is very low, especially with isolated recurrence. Also, the obtained data showed that the nodal status had no impact on CWRFS.
Keimyung Author(s)(Kor)
김진희
Publisher
School of Medicine (의과대학)
Citation
Ji Hyun Chang et al. (2018). Chest wall recurrence in pT1-2N0-1 breast cancer patients after mastectomy without radiotherapy. Breast Cancer Research and Treatment, 169(3), 507–512. doi: 10.1007/s10549-018-4707-0
Type
Article
ISSN
0167-6806
Source
https://link.springer.com/article/10.1007%2Fs10549-018-4707-0
DOI
10.1007/s10549-018-4707-0
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/41116
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학)
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