Prevention of metastasis depends on early diagnosis and treatment of cancer. Many people have tiny metastases that cannot be seen at the time of diagnosis. Treatments such as chemotherapy or radiation therapy are used as treatment. The prevention and control of metastases is an active area of cancer research.
Some cancers with metastasis can be cured. These include tumors that are highly sensitive to radiation therapy or chemotherapy. Following are some examples:
People can live with metastases for many years. These cancers may include:
Metastasis usually leads to death if it cannot be removed or treated.
Metastases are not contagious. They pose no risk to others.