cancer metastasis的意思|示意

Cancer metastasis，即癌症转移，是指肿瘤细胞从原发部位移动到身体的其他器官或部位的过程。癌症的转移是癌症最为危险、最具隐患的特点。

Cancer metastasis can occur in different ways. In some cases, cancer cells can travel through the bloodstream or lymphatic system, which can carry cancer cells to different parts of the body. In other cases, cancer cells can break away from the original tumor and attach to nearby tissue, where they can continue to grow and spread.

Cancer can also spread through direct contact, such as when a tumor invades nearby organs or tissues. Direct contact metastasis is most common in cancers that affect the skin, such as melanoma or basal cell carcinoma.

Cancer metastasis is usually a sign that a cancer has advanced to a later stage. The earlier cancer is detected and treated, the less likely it is to metastasize. Treatments for metastatic cancer typically involve chemotherapy, radiation therapy, surgery, or a combination of these treatments.

Cancer metastasis can lead to serious health problems, depending on where the cancer cells have spread. For example, if cancer cells spread to the lungs, it can cause difficulty breathing. In some cases, metastatic cancer can be fatal.

The key to preventing cancer metastasis is to catch the cancer in its early stages and to treat it before it has a chance to spread. Regular checkups can help to spot warning signs of cancer early and should be done annually. Additionally, limiting exposure to known carcinogens and maintaining a healthy lifestyle may help reduce the risk of cancer.