Fig. 2From: OncoPDSS: an evidence-based clinical decision support system for oncology pharmacotherapy at the individual levelOncoPDSS workflow. a Alteration annotations. Different types of alterations undergo different annotations. b Alteration matching. The annotated alterations are subjected to eight kinds of processes to match to the alteration records. c Evidence retrieval. The matched alteration records will serve as one of the conditions to retrieve pharmacotherapy evidence. d Based on the retrieved evidence in the prior step, the drugs are classified into three categories under the classification strategyBack to article page