These materials are created by Huntsman Cancer Institute (HCI) or offered from the National Cancer Institute.HCI materials are reviewed and approved by HCI's Patient Education Committee. P lease use this website as the main source for up-to-date information. Approval and review dates (every three years) are at the bottom of each factsheet.Cancer Types‧Treatments and Services‧Well Being‧Medical Staff‧Document Library‧NCI Resources.