CA: A Cancer Journal for Clinicians, Vol 36, 302-309, Copyright
© 1986 by American Cancer Society
Role of Progesterone Receptors In Breast Cancer
William L. McGuire M.D.1 and
Gary M. Clark Ph.D.2
1 Professor of Medicine and Chief of Oncology at the University of Texas Health Science Center in San Antonio, Texas.
2 Professor of Medicine in the Department of Medicine/Oncology of the University of Texas Health Science Center in San Antonio, Texas.
PRs appear to be an important factor in the prognosis and management of breast cancer. The survival of patients whose tumors lose PRs is significantly shorter than that of those retaining PRs. Frequent reassessment of PRs is therefore recommended to ensure optimal treatment planning for patients who are initially PR positive.