So sorry to hear about your Dad. You've come to the right place for support and to ask your questions.
The biopsy results should tell a big part of the story. Your Dad will find out whether or not he has cancer and the doctor will be able to lay out some treatment options.
I know Tuesday seems very far away. If holding on until then is helped by conversation here, please continue to draw upon the good members of the forum.
I don't know of any current cases on this forum where the original PSA reading was that high, but I hope we can shake some folks out of the woodwork.
Please accept our thoughts and prayers for you and your Dad.
You may try to follow the links in a locked topic at the top of this forum. They may provide some information you need.
Again, a very warm welcome to you!