Chemotherapy can shrink tumors. It can also help ease symptoms the cancer is causing. It may even make some tumors go away.

Radiation may be used to treat the symptoms of cancer of unknown primary (CUP). Sometimes radiation may also be used to cure the cancer if it hasn't spread too far.

You may get just one type of treatment or a combination of treatments. Treatment may include chemotherapy, radiation therapy, hormone therapy, or surgery.

Most cancers are staged with the Roman numerals I, II, III, and IV. The stage of cancer of the unknown primary is at least a stage II.

If you have cancer of unknown primary (CUP), your symptoms depend on where in your body the cancer forms.

Because doctors don't know the why, how, or where of cancer of unknown primary origin (CUP), it's hard to identify risk factors for it.

Cancer of unknown primary (CUP) is cancer that starts in an unknown area and has already spread by the time it's diagnosed.

Sarcoma is a type of cancer that starts in the body's connective tissues. Learn the basics of soft tissue sarcoma.

Digital mammograms are as effective as traditional X-ray mammograms. Learn what it is, why it's used, what the different types are, and what the benefits are.

Early detection involves screening for health problems before you have symptoms. It's not clear if the benefits of screening for prostate cancer are greater than the possible harms. Learn the benefits and risks of prostate cancer screening and what experts recommend.