obsolete semilobar holoprosencephaly https://github.com/monarch-initiative/mondo/issues/5114 https://github.com/monarch-initiative/mondo/issues/6651 https://github.com/monarch-initiative/mondo/issues/6752 https://github.com/monarch-initiative/mondo/issues/6876 https://github.com/monarch-initiative/mondo/issues/6877 https://github.com/monarch-initiative/mondo/issues/6878 https://github.com/monarch-initiative/mondo/issues/7693 https://www.malacards.org/card/semilobar_holoprosencephaly true OBSOLETE. Semilobar holoprosencephaly is one of the classical forms of holoprosencephaly (HPE) in which the left and right frontal and parietal lobes are fused and the interhemispheric fissure is only present posteriorly. MONDO:0016355 semilobar holoprosencephaly