assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:3743 IAO:0000115 A cervical squamous cell carcinoma that is characterized by a hyperkeratotic, undulating, warty surface and invades the underlying stroma in the form of bulbous epithelial pegs with a pushing border, broad papillae that lack fibrovascular cores and the absence of koilocytosis. It shows no more than minimal nuclear atypia and does not exhibit infiltrative growth. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pubmed/18214065""}]}"