disease has location malignant choroid melanoma https://www.malacards.org/card/malignant_choroid_melanoma melanoma (disease) of optic choroid optic choroid melanoma (disease) MEDGEN:138064 melanoma of the choroid NCIT:C4561 SCTID:255021005 malignant melanoma of choroid DOID:6438 choroid malignant melanoma MONDO:0003878 GARD:0023710 A uveal melanoma that arises from the choroid. It is the most common primary malignant intraocular tumor. It usually affects Caucasians of northern European descent. It usually remains asymptomatic for a long period. When signs and symptoms occur, they include blurred vision, visual field loss, floaters, and ocular pain. Tumor size is the most important factor that relates to prognosis. choroidal melanoma malignant melanoma of the choroid choroid melanoma UMLS:C0346388 MONDO:0021436 melanoma of choroid optic choroid melanoma melanoma uveal melanoma choroid cancer optic choroid