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Driven by input from the scientific community, the Cancer Imaging Program (CIP) stands at the crossroad of two powerful scientific requisites: the need for cross-disciplinary research and the increase of inter-institutional data sharing. The Cancer Imaging Archive (TCIA) is building a research community focused on connecting cancer phenotypes to genotypes by providing clinical images matched to subjects from The Cancer Genome Atlas (TCGATCGA began in 2006 as a three-year pilot jointly sponsored by the National Cancer Institute (NCI) and National Human Genome Research Institute (NHGRI). The TCGA pilot project (focused initially on glioblastoma, ovary, and lung cancers) confirmed that an atlas of genomic changes could be constructed for specific cancer types. It also showed that national networks of research and technology teams working on related projects could pool their efforts, create an economy of scale, and develop an infrastructure for making the data publicly accessible. Freely available data enables researchers across the world to make and validate important discoveries. The success of that pilot encouraged the National Institutes of Health (NIH) to invest in TCGA’s efforts to collect and characterize more than 20 additional tumor types and make findings freely accessible for researchers to download via TCGA Data Portal.

As an opportunity to leverage this wealth of new biomedical knowledge, CIP used its agreements with TCGA Tissue Site Source institutions to collect clinical diagnostic images for TCIA that match genomically analyzed tissue cases in the 20-plus cancer types that TCGA has characterized. 

Data Access

Radiology data for TCGA patients are hosted on TCIA.  Pathology images were collected prior to TCIA's involvement in the project, and are hosted on NCI's Genomic Data Commons website.  Use the links in the table to access each type of imaging data.

Collection

Tumor Type

LocationsModalitiesRadiology (Subjects)Pathology (Subjects)
TCGA-BLCABladder Endothelial CarcinomaBladderCT, CR, MR, PT, DX, Pathology120

412

TCGA-BRCABreast CancerBreastMR, MG, Pathology1391098
TCGA-CESCCervical Squamous Cell Carcinoma and Endocervical AdenocarcinomaCervixMR, Pathology54307
TCGA-COADColon AdenocarcinomaColonCT, Pathology25460
TCGA-ESCAEsophageal CarcinomaEsophagusCT, Pathology16183
TCGA-GBMGlioblastoma MultiformeBrainMR, CT, DX, Pathology262606
TCGA-HNSCHead and Neck Squamous Cell CarcinomaHead-NeckCT, MR, PT, RTSTRUCT, RTPLAN, RTDOSE, Pathology227520
TCGA-KICHKidney ChromophobeKidneyCT, MR, Pathology15113
TCGA-KIRCKidney Renal Clear Cell CarcinomaRenalCT, MR, CR, Pathology267537
TCGA-KIRPKidney Renal Papillary Cell CarcinomaRenalCT, MR, PT, Pathology33288
TCGA-LGGLow Grade GliomaBrainMR, CT, Pathology199515
TCGA-LIHCLiver Hepatocellular CarcinomaLiverMR, CT, PT, Pathology97377
TCGA-LUADLung AdenocarcinomaChestCT, PT, NM, Pathology69514
TCGA-LUSCLung Squamous Cell CarcinomaLungCT, NM, PT, Pathology37495
TCGA-OVOvarian Serous CystadenocarcinomaOvaryCT, MR, Pathology143590
TCGA-PRADProstate CancerProstateCT, PT, MR, Pathology14496
TCGA-READRectum AdenocarcinomaRectumCT, MR, Pathology3171
TCGA-SARCSarcomasChest-Abdomen-Pelvis, Leg, TSpineCT, MR, Pathology5261
TCGA-STADStomach AdenocarcinomaStomachCT, Pathology46440
TCGA-THCAThyroid CancerThyroidCT, PT, Pathology6506
TCGA-UCECUterine Corpus Endometrial CarcinomaUterusCT, CR, MR, PT, Pathology65560


Frederick National Lab Research Efforts

Imaging Source Site (ISS) Groups were organized by the Cancer Imaging Informatics Lab within the Frederick National Laboratory for Cancer Research.  The groups were governed by participants from institutions which provided imaging data to the archive for each TCGA cancer type. Modeled after the TCGA genomic analysis groups, ISS groups were given a one year embargo window after 100 cases were accrued to publish a marker paper for a given cancer type. This increased incentive among source sites to contribute their patients' images, which would ultimately become a public resource to enable radiogenomic research. The ISS groups included:


TCGA Collections Publication Guidelines

Historically TCIA had implemented publication guidelines derived from the policy outlined by the The Cancer Genome Atlas, TCGA. These were followed in addition to the publication policy of the TCGA Data Portal: http://cancergenome.nih.gov/abouttcga/policies/publicationguidelines.  As of 10/30/2018 all cancer types are now available for use without any special restrictions.  Please be sure to follow TCIA's regular Data Usage Policies and Restrictions, and to also provide attribution recognizing the TCGA data collection efforts.  An example of a proper attribution is:

"The results <published or shown> here are in whole or part based upon data generated by the TCGA Research Network: http://cancergenome.nih.gov/."


References

The following links contain publications from the main TCGA project as well as their posted publication guidelines:

Included below are some posters and presentations which help summarize the CIP TCGA Radiology Initiative and its supporting components such as TCIA.


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