The following images are taken from one specific application, that of comingled pathology reports.  This first image is a search screen, where a user can search on non-sensitive information to retrieve a list of cases which match.  Source and derivative fields are separated, and since the derivative classification is structured, it is possible in many cases to present the user with a dropdown box of choices.  In this example, the user can select cases where metastatic carcinoma is present or absent.  Derivative fields make for better searches, since a pathologist may state: "No carcinoma observed", and a search on the word "carcinoma" in the diagnosis would find the case.  The derivative diagnosis only contains the word carcinoma if it is present; this is part of the derivative process.  Finally, if multiple selections are made in the search, only the cases which satisfy all criteria are returned.

 
  

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