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This RELREC demonstrates a linking between a specific clinical observation (CLSEQ) and its corresponding clinical sign follow-up at necropsy (MASEQ).

This example demonstrates a linking between findings across the CL, PM, MA, MI, and TF domains using RELREC. The mass was first identified as an abrasion over several weeks (grouped by CLGRPID = 5), graduating to a mass with several associated clinical findings (identified by a CLSPID of "MASS 2"). These clinical findings correspond to a set of findings in the PM domain, a clinical signs follow-up and gross pathological examination in the MA domain, a single microscopic finding from the MI domain, and a single tumor finding in the TF domain. Each of the findings in the PM, MA, MI, and TF are related by way of the --SPID field, with a value of "MASS 2".

Because all of these records are related, they are given the same RELID (in this case a value of 80).