Chisbeatcancer.com Check out Chris's latest interview with the mother of a boy with brain cancer who was in a situation similar to your father.
There are some amazing testimonials in the two video series by thetruthaboutcancer.com however the people with late stage cancer tended to recover after going to Tijuana Mexico to one of the clinics for treatments such as...
D Olsen's story of recovery from Lymphoma after being given just weeks to live from the Mayo clinic is one of tme most amazing I've come across. David was interviewed in one of the videos by thetruthaboutcancer.com. The clinic also has his testimony on their site. http://www.hoxseybiomedical.com/patient-testimonials/
There is SO much more available, but since you lack time, a call to Chris might be a good way to start, especially if you have the $ to go to a clinic in Mexico or a GcMAF clinic in Switzerland, etc. The guy who runs one of those has amazing testimonials too--more if requested.
In your situation I'd be planning to go to Mexico since you apparently don't have the time to wait for a combination of less potent interventions to work.
Supposedly Hoxey/Biomedical center is one of the less expensive alternatives in Mexico.