Immune cells play key role in early breast cancer metastasis even before a tumor develops

(The Mount Sinai Hospital / Mount Sinai School of Medicine) Mount Sinai researchers have discovered that normal immune cells called macrophages, which reside in healthy breast tissue surrounding milk ducts, play a major role in helping early breast cancer cells leave the breast for other parts of the body, potentially creating metastasis before a tumor has even developed, according to a study published in Nature Communications.
Source: EurekAlert! - Medicine and Health - Category: International Medicine & Public Health Source Type: news