Author | Erik J. Blok, MD | OncLive

Author | Erik J. Blok, MD


Dr. Blok on Results of Adjuvant Letrozole Study in Breast Cancer

January 06, 2017


Erik J. Blok, MD, Department of Medical Oncology at Leiden University Medical Center, discusses the duration of adjuvant endocrine therapy. Blok claims that there is no breast cancer survival benefit in extending adjuvant letrozole treatment from 2.5 to 5 years.