| Namespace | disease_ontology | Obsolete | false |
| description | A mitochondrial DNA depletion syndrome that is characterized by chronic gastrointestinal dysmotility and pseudoobstruction, cachexia, progressive external ophthalmoplegia, axonal sensory ataxic neuropathy, and muscle weakness, and has_material_basis_in autosomal recessive inheritance of compound heterozygous mutation in the mitochondrial DNA polymerase gamma gene (POLG) on chromosome 15q26. |