158
Participants
Start Date
May 31, 1995
Primary Completion Date
July 31, 2002
Study Completion Date
November 30, 2025
Observation
Wide excision of DCIS and a minimum of 1cm histologically negative margin of breast tissue
Dana-Farber Cancer Institute, Boston
Massachusetts General Hospital, Boston
Brigham and Women's Hospital
OTHER
Massachusetts General Hospital
OTHER
Beth Israel Deaconess Medical Center
OTHER
Dana-Farber Cancer Institute
OTHER