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Association details:
Evidence:
Evidence Level:
Sensitive: C3 – Early Trials
Title:

6P - 25-year survival and benefit from tamoxifen therapy by the clinically used breast cancer markers in lymph node-negative and ER-positive/ HER2-negative breast cancer (ID 55)

Published date:
05/03/2021
Excerpt:
"...tamoxifen therapy benefit in patients with lymph node-negative and ER-positive/ HER2-negative breast cancer...A significant tamoxifen therapy benefit was suggested for patients with larger tumor size (T1c HR, 0.53; 95% CI, 0.32-0.89; T2 HR, 0.34; 95% CI, 0.16-0.73), lower tumor grade (Grade 1 HR, 0.24; 95% CI, 0.07-0.82; Grade 2 HR, 0.50; 95% CI, 0.31-0.80), and PR-positivity (HR=0.38, 95% CI, 0.24-0.62).