IL-6 as a predictor of survival rate in liver metastatic breast cancer patients with Covid-19 infection: A case series.

Introduction And Importance: Breast cancer is the most common type of cancer in women, with 30 % being metastatic breast cancer. Cancer is known to be a comorbid Covid-19 infection. Interleukin-6 (IL-6) is one of the findings of inflammatory activity due to Covid-19 infection.