The screen for selecting ERBB2 and metastasis as the keywords. Figure 3 shows the result from selecting ERBB2 and metastasis in the screen shown as Figure 2. (A) The front part of the result shows information about the gene and the links to external resources, such as EntrezGene, OMIM and RefSeq. (B) The back part of the result shows the extracted sentences. The selected keywords including synonyms of ERBB2 are highlighted. The number at the end of each sentence is the PubMed ID and links to the whole abstract.