6. The non-transitory computer-readable medium of claim 5 wherein the at least one negation rule comprises a suffix negation rule comprising that a suffix negation term appear after the key term in the same sentence without the prefix negating term within the selected proximity.
6. The non-transitory computer-readable medium of claim 5 wherein the at least one negation rule comprises a suffix negation rule comprising that a suffix negation term appear after the key term in the same sentence without the prefix negating term within the selected proximity. 7. The non-transitory computer-readable medium of claim 6 wherein the at least one prefix negation term comprises at least one first member of a first group consisting of no, without, history, resolution, rule out, not see, evaluate, risks, risk, and resolved and the at least one suffix negation term comprises at least one second member of a second group consisting of resolved, not demonstrated, not seen, not evident, not visualized, not confirmed, not noted, not identified, not present, not appreciated, not apparent, and not detected.