CPTAC imaging data is considered CPTAC metadata. As such, it is freely available to the public according to the TCIA Data Usage Policy. Note that CPTAC proteomic and genomic data use must comply with the CPTAC Data Use Agreement.
For an overview of TCIA requirements, see License and attribution on the main TCIA page.
For information about accessing the data, see GCP data access.
National Cancer Institute Clinical Proteomic Tumor Analysis Consortium (CPTAC). (2018). Radiology Data from the Clinical Proteomic Tumor Analysis Consortium Pancreatic Ductal Adenocarcinoma [CPTAC-PDA] Collection [Data set]. The Cancer Imaging Archive. https://doi.org/10.7937/k9/tcia.2018.sc20fo18
The CPTAC program requests that publications using data from this program include the following statement: "Data used in this publication were generated by the National Cancer Institute Clinical Proteomic Tumor Analysis Consortium (CPTAC)."
Clark K, Vendt B, Smith K, Freymann J, Kirby J, Koppel P, Moore S, Phillips S, Maffitt D, Pringle M, Tarbox L, Prior F. The Cancer Imaging Archive (TCIA): Maintaining and Operating a Public Information Repository, Journal of Digital Imaging, Volume 26, Number 6, December, 2013, pp 1045-1057. (paper)