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After you have added data to your cart and before you download it, you can visualize it in the thumbnail and OHIF viewers and view its DICOM (Digital Imaging and Communications in Medicine) tags. 

To visualize a TCIA collection

You can visualize TCIA collections before you download them by launching an image animation when there are more than two images in the series. 

1. View the details for a subject.
2. Click the study date link for the collection you want to view.
   The image series associated with this study appear.
   
3. In the row for an image series, click.
   The images in the series open in the Open Health Imaging Foundation (OHIF) Viewer.
   
4. Click to display the images in the series sequentially.

To visualize thumbnails

You can visualize thumbnails of all images in the selected series and then open selected images for further analysis in another image system.

1. View the details for a subject.
2. Select a study and view its details.
3. In the row for an image series, click .
   
   
   Thumbnails of all of the images in the selected image series appear.
   
   
4. Click any image to download it to your computer. 
   Follow your browser's instructions to open or save the file.
   

To view DICOM data

DICOM tags form the header of an image series.

1. View the details for a subject.
2. Select a study and view its details.
3. In the row for an image series, click .
   The DICOM tags associated with the image series appear.