Hi Erica,
You are correct: ctakes normalizes to CUI. If you fetch Snomed codes then you
will get all snomed codes that match the CUI, which may be > 1/1.
The reason for this is that those snomed codes are synonymous (or not truly
unique) as determined by somebody who contributes to the umls.
Hi Erica
In many cases (I would say most cases) there is not enough semantic
information in incoming text to resolve to a leaf level SNOMED code, so
the CUI is a good cut at mapping the concept. Applications can then
surface just the relevant SNOMED codes/descriptions and have the human who
has m