NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

schistosome
(SHIS-tuh-some)
A parasitic worm that can cause diseases of the liver, bladder, and gastrointestinal tract. One type of schistosome has been linked to bladder cancer. Schistosomes are found in Africa, the Middle East, East Asia, the Caribbean, and South America.