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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Tumor primario oculto

Occult primary tumor (uh-KULT PRY-mayr-ee TOO-mer)
Cancer in which the site of the primary (original) tumor cannot be found. Most metastases from occult primary tumors are found in the head and neck.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.