Access to more than 150 Patient Education handouts, in both English and Spanish, from the National Cancer Institute (NCI) Physician Data Query (PDQ) database. The PDQ database contains peer-reviewed, evidence based cancer information summaries on a wide range of cancer topics. These summaries are written with the non-clinical patient in mind to aid in the explanation of diagnosis and treatment. Please note that upon clicking on any of the links below a new tab will open and you will be taken to the the NCI website.