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Clinical data from CPTAC-3 are now being made available through an API hosted by ESAC.  This is documented in detail at https://clinicalapi-cptac.esacinc.com/api/tcia/. Data are provided in JSON, which is a file format .  The most common way to interact with JSON data is through programming languages such as R or Python.  For commonly used by software developers for data interchange.  Most data scientists and statisticians should already be familiar with this type of file, but for users who are not familiar working with JSON, we are providing a few examples of ways to access this data.  

View JSON files in Firefox

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There are a number of free online tools such as https://json-csv.com/ which will convert between JSON and CSV, which can be viewed in most spreadsheet applications like Excel.  After the page loads simply paste in the URL for the cancer type you were trying to access, e.g. https://clinicalapi-cptac.esacinc.com/api/tcia/clinical_data/tumor_code/UCEC.

View JSON files in Notepad++

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