Dataset Information

Radiotherapy after mastectomy has significant survival benefits for inflammatory breast cancer: a SEER population-based retrospective study.

ABSTRACT:

Objectives

The survival benefit of postmastectomy radiotherapy (PMRT) has not been fully proven in inflammatory breast cancer (IBC). Thus, in the present research, we aimed at elucidating the effects of PMRT on the survival of IBC patients.

Methods

Eligible patients were collected from the Surveillance, Epidemiology, and End Results (SEER) dataset between 2010 and 2013. The Kaplan-Meier method along with the log-rank test was utilized for the comparison of both the overall survival (OS) andthe cancer-specific survival (CSS) in patients undergoing PMRT or not. Additionally, multivariate survival analysis of CSS and OS were performed using the Cox proportional hazard model.

Results

In total, 293 eligible cases were identified, with the median follow-up time of 27 months (range: 5-59 months). After propensity score matching (PSM), 188 patients (94 for each) were classified intothe No-PMRT and the PMRT group. Consequently, significantly higher OS rates were detected in the PMRT group compared with the No-PMRT group prior to PSM (P = 0.034), and significantly higher CSS (P = 0.013) and OS (P = 0.0063) rates were observed following PSM. Furthermore, multivariate analysis revealed thatPMRT [CSS (HR: 0.519, 95% CI [0.287-0.939], P = 0.030); OS (HR: 0.480, 95% CI [0.269-0.859], P = 0.013)], as well as Her2+/HR+ subtype, was independent favorable prognostic factors.Besides, black ethnicity, AJCC stage IV and triple-negative subtype were independent unfavorable prognostic factors. Further subgroup analysis revealed that most of the study population could benefit from PMRT, no matter OS or CSS.

Conclusions

Our findings support that PMRT could improve the survival of IBC patients.

SUBMITTER: Li ZW

PROVIDER: S-EPMC7003697 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Publications

Radiotherapy after mastectomy has significant survival benefits for inflammatory breast cancer: a SEER population-based retrospective study.

Li Zhi-Wen ZW Zhang Miao M Yang Yong-Jing YJ Zhou Zi-Jun ZJ Liu Yan-Ling YL Li Hang H Bao Bo B Diao Jian-Dong JD Wang Dun-Wei DW

PeerJ 20200203

<h4>Objectives</h4>The survival benefit of postmastectomy radiotherapy (PMRT) has not been fully proven in inflammatory breast cancer (IBC). Thus, in the present research, we aimed at elucidating the effects of PMRT on the survival of IBC patients.<h4>Methods</h4>Eligible patients were collected from the Surveillance, Epidemiology, and End Results (SEER) dataset between 2010 and 2013. The Kaplan-Meier method along with the log-rank test was utilized for the comparison of both the overall surviva ...[more]

PMID: 32117621

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Dataset Information

Radiotherapy after mastectomy has significant survival benefits for inflammatory breast cancer: a SEER population-based retrospective study.

Objectives

Methods

Results

Conclusions

Publications

Radiotherapy after mastectomy has significant survival benefits for inflammatory breast cancer: a SEER population-based retrospective study.

Similar Datasets

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