1. A computer method, comprising: processing automatically medical text in a medical report within a medical field using a computer, the processing comprising: identifying medical phrases contained within the medical text; extracting the medical phrases from the medical text; determining which of the medical phrases are valued medical phrases, a valued medical phrase includes content having a corresponding value in a lexicon of relevant terminology corresponding to the medical field, the valued medical phrase being either a medical finding or a medical recommendation; reducing each valued medical phrase to one or more medical codes in the medical field; the one or more medical codes being medical identifiers; and rendering in a first group medical codes corresponding to the medical finding; and rendering in a second group separate from the first group medical codes corresponding to the medical recommendation, wherein processing automatically the medical text in the medical report further comprises generating a lexicon-based hierarchical decision tree for the medical field by assigning each valued medical phrase to a location in the lexicon-based hierarchical decision tree.