Characteristics of second primary breast cancer after ovarian cancer: a Korea central cancer registry retrospective study.

ABSTRACT:

Background

Second primary cancer has become an important issue among cancer survivors. This study sought to determine the differences in clinicopathologic outcomes between second primary breast cancer (SPBC) after ovarian cancer and primary breast cancer (PBC) in the Republic of Korea.

Methods and materials

We searched the Korea Central Cancer Registry and identified 251,244 breast cancer cases that were diagnosed between 1999 and 2017. The incident rate and standardized incidence ratio (SIR) were calculated. Demographic and clinical characteristics and overall survival (OS) rates were estimated according to age, histological type, and cancer stage.

Results

Among the 228,329 patients included, 228,148 were patients with PBC, and 181 patients had SPBC diagnosed after o

SUBMITTER: Lee EG 

PROVIDER: S-EPMC10539581 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature