I spent the afternoon typing it up, because the actual tree is handwritten and uses a lot of shorthand. You wouldn’t have been able to decipher most of it.
The tree is still shorthand to a degree, I don’t have time to type up full scripts for each choice. But this should give you an idea of what might have been had different choices been made, or had Ethan survived just a little longer.
Click on the image for the full-size chart.