NCIt synonyms : Medium Large Size Posterior Uveal Melanoma; Medium/Large Size Ciliary Body and Choroid Melanoma;
NCIt definition : Ciliary body and choroid melanoma measuring between 2.5 mm and 10 mm in height and
16 mm or less in basal diameter (medium-sized) or more than 10 mm in height or more
than 2 mm in height and more than 16 mm in basal diameter or more than 8 mm in height
with optic nerve involvement (large-sized). (Collaborative Ocular Melanoma Study);