See here about getting copies of your radiology.
Once you have created a radiology record in the records section of seeMyHealth, you can optionally add copies of the images to the seeMyHealth database.
This gives you the benefit of a backup and also access where ever you go.
When you have a radiology record open in seeMyHealth, you will have a window like this;
You can now click the "Add Images" button. This will give a standard Mac file dialog where you can select images to upload.