obsolete_iris cancer true Iris Neoplasms malignant neoplasm of the Iris malignant tumor of iris tumor of iris (disorder) malignant neoplasm of iris malignant tumor of iris (disorder) DOID:3478 Sirarat Sarntivijai Tumors of the iris characterized by increased pigmentation of melanocytes. Iris nevi are composed of proliferated melanocytes and are associated with neurofibromatosis and malignant melanoma of the choroid and ciliary body. Malignant melanoma of the iris often originates from preexisting nevi. tumor of the Iris Replaced by Mondo term MONDO_0002658, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0002658 MESH:D015811 3.88.0 http://purl.obolibrary.org/obo/MONDO_0002658