Cancer of Unknown Primary: Introduction
Cancer of unknown primary (CUP) is cancer that starts in an unknown area and has already spread by the time it’s diagnosed.
Cancer of Unknown Primary: Statistics
According to the American Cancer Society, about 34,170 cases of CUP will be diagnosed in 2016 in the U.S.
Cancer of Unknown Primary: Risk Factors
Because healthcare providers 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: Symptoms
If you have cancer of unknown primary (CUP), your symptoms depend on where in your body the cancer forms.