Cancer cells metastasize to different sites by way of the lymphatic system and the bloodstream. Cancer cells from the original—or main—tumor can journey to other websites such as the lungs, bones, liver, brain, and different areas. These metastatic tumors are “secondary cancers” as a result of they arise from the primary tumor.
This isn’t the same as “bone cancer,” which might mean the cancer had started in the bone. About 50{a1838ce4fa7d354967ff094531ffda59a669e991a533275523fe15ef39118963} of all cancer sufferers will obtain radiation remedy, which may be delivered earlier than, during, or after surgical procedure and/or chemotherapy. Radiation may be delivered externally — where X-rays, gamma rays, or different excessive-power particles are delivered to the affected space from outdoors the body — or it can be delivered internally. Internal radiation remedy includes the placement of radioactive materials contained in the body near cancer cells. Metastasis is the process whereby cancer cells break free from a malignant tumor and journey to and invade different tissues in the physique.
- Some may involve hormone remedy, immunotherapy or other forms of biologic remedy, or stem cell transplantation.
- Most remedy plans might embrace surgical procedure, radiation and/or chemotherapy.
- Early detection by way of screening is useful for cervical and colorectal cancer.
The benefit of radiation therapy is that it is much less invasive than surgery. Whether the radiation is given externally or internally, this therapy is effective for early stage prostate cancer.
This means of cancer cells leaving an area and growing in one other physique area is termed metastatic unfold or metastasis. For instance, if breast cancer cells spread to a bone, it signifies that the person has metastatic breast cancer to bone.
Some want each forms of radiation mixed to deal with their cancer. Radiation therapy uses high-vitality rays to kill or sluggish the growth of cancer cells.