So sorry to hear it's a confusing diagnoses, but please try a second opinon. We were told my hubby had 6 months and we demanded a 2nd and this guy called our dr. and told him how to remove it.
Also do you have a vet. collage around close by the some times have clinically trials for animals just as for humans.
Remeber the internet has so much info. when you gather the medical terms togeather. use it after all it was started by scentists for research communications. If I can help, no if we can help he on pet talk let us know. Give us the terms of his condition and we can check all of our sources. Many hands make light work of big jobs. We all care!!