NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,812 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.

stage II intraocular melanoma of the iris
(... IN-truh-AH-kyoo-ler MEH-luh-NOH-muh ... I-ris)
Stage II is divided into stages IIA and IIB. In stage IIA, the tumor (1) is in the iris only and is more than one fourth the size of the iris; or (2) is in the iris only and has caused glaucoma; or (3) has spread next to and/or into the ciliary body, choroid, or both. The tumor has caused glaucoma. In stage IIB, the tumor has spread next to and/or into the ciliary body, choroid, or both, and has also spread into the sclera. The tumor has caused glaucoma.