Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Adjusted subsequent mastectomy risk (cumulative incidence) in invasive breast cancer patients (A) and ductal carcinoma in situ (DCIS) patients (B). P* indicates adjusted P value from proportional hazards regression with lumpectomy alone (Lump) as referent; P† indicates adjusted P value with EBRT as referent. Brachy = brachytherapy; EBRT = external beam radiation therapy.
