# The HTAN Manual

Written by the HTAN Data Coordinating Center (DCC), with contributions from Adam Taylor, Clarisse Lau, Vésteinn Thorsson, Ino de Bruijn, David Gibbs, Ethan Cerami, Alex Lash and Jen Altreuter.

# About this Manual

The HTAN Manual provides an overview of Human Tumor Atlas Network (HTAN) data, including the various levels of data access. If you have any questions regarding the manual or HTAN data, please contact us: HTAN Help Desk.

The manual can be found at https://docs.humantumoratlas.org/.

If you have feedback for this manual, including broken links or incorrect information, please submit a ticket to the HTAN Help Desk.

# Content Updates

Date	Comment	Changes summary
2025-03-21	Fourth version of manual	Rework of Data Access Sections and creation of Data Visualization section
2025-03-10		Updated Identifier sections to reflect Phase 2 schema
2025-03-04		Added gen3 data access instructions
2025-02-11		Added DMSA v1.1 and DMSA Appendix A
2024-10-17		Added Phase 2 centers and data liaisons, HTAN Dashboard Page
2024-10-04		Added FAQ, Governance, HTAN Usage Statistics
2024-07-12		Updates to Data Access to reflect CDS/CGC changes
2024-04-01	Third version of manual	Simplified Data Model section; added "Submitting Data" and "Additional Information" Sections
2023-06-01	Second version of manual
2022-09-28	First version of manual