What does it mean to metastasize in the context of cancer?

In the context of cancer, to metastasize specifically refers to the process by which cancer cells spread from the original or primary site of the tumor to other parts of the body. This can occur through the bloodstream or lymphatic system, allowing cancerous cells to establish new tumors in different organs or tissues. This characteristic of cancer is significant because it often signifies a more advanced stage of the disease, complicating treatment options and affecting prognosis.

Understanding this term is crucial for medical professionals, as recognizing the signs and patterns of metastasis can guide diagnostic and therapeutic decisions. The focus on spreading reflects the aggressive nature of certain cancers and underlines the importance of early detection and intervention.