MONDO_0007109 (congenital dyserythropoietic anemia type 3) can be described as follows. Congenital dyserythropoietic anemia type III (CDA III) is a rare form of CDA characterized by dyserythropoiesis, with big multinucleated erythroblasts in the bone marrow, and manifesting with mild to moderate anemia. Also known as: CDA III, CDA type 3, CDA type III, dyserythropoietic anemia, congenital, type III.