Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
COCA2BC0068509606HNPCC    hMLH1    HNPCC2    FCC2    MGC5172    MLH1    120436
COCA2NM_0002499606FCC2    HNPCC    hMLH1    HNPCC2    MGC5172    MLH1    120436

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

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Text2Knowledge ... Yong Huang 2002