Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
COCA1BC0215669606FCC1    HNPCC    HNPCC1    MSH2    120435
COCA1NM_0002519606FCC1    HNPCC    HNPCC1    MSH2    120435

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002