An observation in the new concept relationship dataframe is not appended to the HemOnc Concept Relationship table if the same concept_id_1, concept_id_2, and relationship_id combination is found. Such cases are returned as `qaIngestRelationshipTable` and `qaIngestionRelationshipTable2` is the result of a followup qa where any of the rows in the input are not found in the refreshed Concept Relationship table.
ingestRelationshipTable(.input, conn)