Cancer

Overview See All  Cancer of Unknown Primary: Introduction in Overview Cancer of unknown primary (CUP) is cancer that starts in an unknown area and has already spread by the time it's diagnosed. ...more  Cancer of Unknown Primary: Risk Factors in Overview 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. ...more  Cancer of Unknown Primary: Symptoms in Overview If you have cancer of unknown primary (CUP), your symptoms depend on where in your body the cancer forms. ...more