NCI Dictionary of Cancer Terms
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stage IIA intraocular melanoma of the ciliary body and choroid (... IN-truh-AH-kyoo-ler MEH-luh-NOH-muh ... SIH-lee-ayr-ee BAH-dee ... KOR-oyd)
Stage II is divided into stages IIA and IIB. In stage IIA, the tumor (1) has spread to the ciliary body and is size category 1 (not more than 12 millimeters wide and not more than 3 millimeters thick; or not more than 9 millimeters wide and 3.1 to 6 millimeters thick); or (2) may have spread to the ciliary body and is size category 1. The tumor has spread through the sclera to the outside of the eyeball. The part of the tumor outside the eyeball is not more than 5 millimeters thick; or (3) is in the choroid only and is size category 2 (12.1 to 18 millimeters wide and not more than 3 millimeters thick; or 9.1 to 15 millimeters wide and 3.1 to 6 millimeters thick; or not more than 12 millimeters wide and 6.1 to 9 millimeters thick).