1. A method for processing medical reports, comprising: a) segmenting at least parts of textual contents of the medical report into information units by applying natural language processing methods; b) classifying the information units into at least one context class using a context-free grammar, the grammar specifying language construction rules within a specific medical domain; and c) annotating the medical report by assigning at least one of said information units to at least one context meta-information determined by said context class.