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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Simultáneo

Concomitant (kon-KAH-mih-tunt)
Occurring or existing at the same time as something else. In medicine, it may refer to a condition a person has or a medication a person is taking that is not being studied in the clinical trial he or she is taking part in.



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