Metastasis

Definition

Metastasis is the process by which cancer cells spread from the primary site of origin to distant parts of the body through the bloodstream or lymphatic system, forming new tumors. This can lead to the involvement of various organs beyond the initial area affected by cancer.

Related terms

Carcinoma: A type of cancer that begins in the skin or in tissues that line or cover internal organs.

Lymphatic system: The network of vessels through which lymph drains from the tissues into the blood, playing a key role in immune function and metastasis.

Oncology: The branch of medicine that specializes in diagnosing and treating cancer, including study of metastasis patterns and management strategies.