DiseaseOntology Get Parents

Get the parent disease terms for a Disease Ontology term, enabling navigation of the disease hierarchy. Returns the direct parent(s) via 'is_a' relationships, their definitions, and their own parents, allowing you to trace the full path from a specific disease to the root. Example: DOID:10283 (prostate cancer) has parent DOID:2998 (testicular cancer -> male reproductive gland cancer -> reproductive organ cancer -> urogenital system cancer).