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Patterns of Occurrence and Outcomes of Contralateral Breast Cancer: Analysis of SEER Data.


ABSTRACT: Population-based estimates are lacking for the temporal trends in the contralateral breast cancer (CBC) risk for patients with breast cancer (BC). Data for BC patients diagnosed with CBC were collected from the Surveillance, Epidemiology, and End Results database. CBC incidence was calculated using the Kaplan-Meier method and the temporal trend in CBC incidence was assessed using joinpoint regression. Survival analysis was calculated using propensity scoring (PS) and multivariate Cox regression with a competing risk model. We found that 10,944 of 212,630 patients with early-stage BC were subsequently diagnosed with secondary BC in the contralateral breast. The 5-, 10-, 15-, and 20-year cumulative CBC incidences were 1.9, 4.6, 7.6, and 10.5%, respectively. Being younger (.

SUBMITTER: Xiong Z 

PROVIDER: S-EPMC6025574 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Patterns of Occurrence and Outcomes of Contralateral Breast Cancer: Analysis of SEER Data.

Xiong Zhenchong Z   Yang Lin L   Deng Guangzheng G   Huang Xinjian X   Li Xing X   Xie Xinhua X   Wang Jin J   Shuang Zeyu Z   Wang Xi X  

Journal of clinical medicine 20180531 6


Population-based estimates are lacking for the temporal trends in the contralateral breast cancer (CBC) risk for patients with breast cancer (BC). Data for BC patients diagnosed with CBC were collected from the Surveillance, Epidemiology, and End Results database. CBC incidence was calculated using the Kaplan-Meier method and the temporal trend in CBC incidence was assessed using joinpoint regression. Survival analysis was calculated using propensity scoring (PS) and multivariate Cox regression  ...[more]

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