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. They also offer several advantages.

Screening means checking for a health problem before a person has symptoms. This can sometimes find diseases like certain cancers early, which can lead to early treatment. But it is not clear exactly how helpful screening is for prostate cancer.

Immunotherapy is a treatment that uses medicines that work with your body's immune system to attack and kill cancer cells. Learn about the 2 types of immunotherapy used for prostate cancer: vaccine therapy and immune checkpoint inhibitors.

If you are believed to be at risk for a hereditary cancer syndrome, genetic testing can be helpful. It can be used to look for the gene changes linked to these syndromes.

While you can find prescription medicines online, consumer beware! Here's what to watch out for if you are interested in purchasing online medicines.

Radiation therapy, also called radiotherapy, is a way to treat colorectal cancer. The goal of radiation therapy is to kill cancer cells by directing strong X-rays at the site of the tumor.

The stage of a cancer is how much and how far the cancer has spread in your body. Your doctor uses it to decide how to treat the cancer.

Your doctor might believe you have colorectal cancer based on the results of a routine screening test. Or you might have symptoms that could be caused by colorectal cancer. You will need certain exams and tests to be sure.