Blood serum test can identify which breast cancer patients have slow-growing disease

[News]

Researchers with the SWOG Cancer Research Network have found that patients with metastatic hormone receptor-positive breast cancer who have low activity levels of the enzyme sTK1 in their blood serum at the start of anti-estrogen treatment live longer and go longer without their disease progressing than patients with high levels.

More... (https://www.news-medical.net/news/20210914/Blood-serum-test-can-identify-which-breast-cancer-patients-have-slow-growing-disease.aspx)