Very cool. Sciencescape built a ton of these field visualizations that cover a bunch of topics (genes, cells, diseases, etc). The pay wall issue is a non-starter in my mind: public funds -> publicly accessible data.. or at least thats how i think it should be...
The URL is hackable : https://cgwb.nci.nih.gov/cgi-bin/trawler?q=Pancreatic%20Neop...
Sadly, many journals hide behind pay walls. Ironic given that much of the research is publicly funded.
These DEEP SEARCH tools are a great idea.