[
  {
    "assertion": 1,
    "retraction": 0,
    "graph": "graph",
    "subject": "DOID:5292",
    "predicate": "IAO:0000115",
    "object": "A leiomyosarcoma and sarcoma of the mediastinum that derive_from smooth muscle and are usually located_in the esophagus or located_in the main vessels.",
    "datatype": "xsd:string",
    "annotation": "{\"dce:type\":[{\"datatype\":\"_IRI\",\"meta\":\"owl:Axiom\",\"object\":\"obo:ECO_0007645\"}],\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://pubmed.ncbi.nlm.nih.gov/33776690/\"},{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://pubmed.ncbi.nlm.nih.gov/34446630/\"}]}"
  }
]