Correlation of Menstrual Cycle Phase at Time of Primary Surgery With 5-Year Disease-Free Survival in Women With Stage I or Stage II Breast Cancer

CCOP - Syracuse Hematology-Oncology Associates of Central New York, P.C., Syracuse

Hillman Cancer Center at University of Pittsburgh Cancer Institute, Pittsburgh

Wellspan Health - York Cancer Center, York

St. Luke's Hospital and Health Network - Bethlehem, Bethlehem

CCOP - MainLine Health, Wynnewood

Franklin Square Hospital Center, Baltimore

Eastern Virginia Medical School, Norfolk

Camden-Clark Memorial Hospital, Parkersburg

CCOP - Upstate Carolina, Spartanburg

Winship Cancer Institute of Emory University, Atlanta

CCOP - Mount Sinai Medical Center, Miami Beach

MBCCOP - Gulf Coast, Mobile

CCOP - Columbus, Columbus

South Pointe Hospital, Cleveland

CCOP - Dayton, Dayton

Community Regional Cancer Care, Indianapolis

CCOP - Marshfield Clinic Research Foundation, Marshfield

Hennepin County Medical Center - Minneapolis, Minneapolis

CCOP - Metro-Minnesota, Saint Louis Park

CCOP - Sioux Community Cancer Consortium, Sioux Falls

CCOP - Evanston, Evanston

Rockford Clinic, Rockford

CCOP - Kansas City, Kansas City

University of Arkansas for Medical Sciences, Little Rock

CCOP - Oklahoma, Tulsa

Scripps Cancer Center at Scripps Clinic, La Jolla

Cancer Research Center of Hawaii, Honolulu

CCOP - Virginia Mason Research Center, Seattle

Puget Sound Oncology Consortium, Seattle

CCOP - Western Regional, Arizona, Phoenix

Rebecca and John Moores UCSD Cancer Center, La Jolla

Hartford Hospital, Hartford

Baptist Regional Cancer Institute - Jacksonville, Jacksonville

CCOP - Atlanta Regional, Atlanta

CCOP - Wichita, Wichita

Eastern Maine Medical Center, Bangor

Warren Grant Magnuson Clinical Center, Bethesda

Cancer Research Center at Boston Medical Center, Boston

Lahey Clinic Medical Center - Burlington, Burlington

CCOP - Kalamazoo, Kalamazoo

Keesler Medical Center - Keesler Air Force Base, Keesler Air Force Base

Methodist Hospital Cancer Center at Nebraska Methodist Hospital - Omaha, Omaha

CCOP - Northern New Jersey, Hackensack

Newark Beth Israel Medical Center, Newark

CCOP - Southeast Cancer Control Consortium, Winston-Salem

Comprehensive Cancer Center at Wake Forest University, Winston-Salem

Akron City Hospital, Akron

Aultman Hospital Cancer Center at Aultman Health Foundation, Canton

Charles M. Barrett Cancer Center at University Hospital, Cincinnati

Allegheny General Hospital, Pittsburgh

Kent County Memorial Hospital, Warwick

CCOP - Northwest, Tacoma

St. Michael's Hospital - Toronto, Toronto

Jewish General Hospital - Montreal, Montreal