severe congenital hypochromic anemia with ringed sideroblasts (MONDO_0014094, a Monarch Disease Ontology id) can be described as follows. STEAP3/TSAP6-related sideroblastic anemia is a very rare severe non-syndromic hypochromic anemia, which is characterized by transfusion-dependent hypochromic, poorly regenerative anemia, iron overload, resembling non-syndromic sideroblastic anemia except for increased erythrocyte protoporphyrin levels. Also known as: anemia, hypochromic microcytic, with iron overload type 2, severe congenital hypochromic sideroblastic anaemia, severe congenital hypochromic sideroblastic anemia.