Epidemiology of Second Non-breast Primary Cancers among Survivors of Breast Cancer: A Korean Population-Based Study by the SMARTSHIP Group.

ABSTRACT:

Purpose

This study aimed to evaluate the incidence and prognosis of second non-breast primary cancer (SNBPC) among Korean survivors of breast cancer.

Materials and methods

Data from the Korean National Health Insurance Service were searched to identify women who received curative surgery for initial breast cancer (IBC) between 2003 and 2008 (n=64,340). Among them, patients with the following characteristics were excluded: other cancer diagnosis before IBC (n=10,866), radiotherapy before IBC (n=349), absence of data on sex or age (n=371), or male (n=248). Accordingly, data of 52,506 women until December 2017 were analyzed. SNBPC was defined as a newly diagnosed SNBPC that occurred 5 years or more after IBC diagnosis.

Results

The median follow-up time of all patients wa

SUBMITTER: Kim H 

PROVIDER: S-EPMC10101780 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature