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primary site

the place where cancer begins. Cancer is usually named (and treated) based on the organ in which it first starts. For example, cancer that starts in the breast is always breast cancer, even if it spreads (metastasizes) to other organs such as bones or lungs. See also metastasize, metastasis.

What is a cancer of unknown primary?

... When cancer is found in one or more metastatic sites but the primary site cannot
be determined, it is called a cancer of unknown primary (CUP) or ...


Additional resources for cancer of unknown primary

... Additional resources for cancer of unknown primary. ... 1-800-227-2345, or read
them on our Web site, www ... National organizations and web sites*. ...


Clinical trials for cancer of unknown primary

... Clinical trials for cancer of unknown primary. ... You can reach this service at
1-800-303-5691 or on our Web site at www.cancer.org/clinicaltrials. ...


Cancer - Unknown Primary

... When cancer is found in one or more metastatic sites but the primary site cannot
be determined, it is called a cancer of unknown primary (CUP) or ...


References: Cancer of unknown primary detailed guide

... Greco FA, Hainsworth JD. Cancer of unknown primary site. In: DeVita
VT, Lawrence TS, Rosenberg SA, eds. DeVita, Hellman ...


Cancer Facts & Figures 2009

... How are multiple primaries defined ... A cancer of a different site and histologic ...
tissue) type than the original cancer is considered a separate primary. ...


How is salivary gland cancer staged?

... organs of the body (The most common site of distant ... either on the side opposite
the primary tumor or ... to nearby lymph nodes (N0) or distant sites (M0 ...


What is metastasis?

... If you would like information on primary bone cancers, see ... The spine is the
most common site of bone ... Other common sites are the hip bone (pelvis ...


How are oral cavity and oropharyngeal cancers staged?

... T indicates the size of the main (primary) tumor and which, if ... (The most common
site of spread ... The next most common sites are the liver and bones ...


Cancer Facts & Figures 2009

... 9 Leading Sites of New Cancer Cases and Deaths ... Special Section: Multiple
Primary Cancers 24 ... Incidence and Mortality Rates by Site, Race, and ...