Invasive breast cancer and breast cancer mortality after ductal carcinoma in situ in women attending for breast screening in England, 1988-2014: population based observational cohort study.

ABSTRACT:

Objective

To evaluate the long term risks of invasive breast cancer and death from breast cancer after ductal carcinoma in situ (DCIS) diagnosed through breast screening.

Design

Population based observational cohort study.

Setting

Data from the NHS Breast Screening Programme and the National Cancer Registration and Analysis Service.

Participants

All 35 024 women in England diagnosed as having DCIS by the NHS Breast Screening Programme from its start in 1988 until March 2014.

Main outcome measures

Incident invasive breast cancer and death from breast cancer.

Results

By December 2014, 13 606 women had been followed for up to five years, 10 998 for five to nine years, 6861 for 10-14 years, 2620 for 15-19 years, and 939 for at least 20 years. Among th

SUBMITTER: Mannu GS 

PROVIDER: S-EPMC7251423 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature