Lupron did NOT shrink prostate! Actually, it GREW!!

Hi, I am desperate for advice.My Dad, diagnosed in the spring of this year, age 62, Gleason was 6, PSA was about 10, biopsy showed 2 samples out of 25 taken, detected cancer. His CT scan showed absolutely NOTHING, meaning, the tumor was only microscopic at this point. No spreading, or anything.He opted for the "seed" therapy, but prostate was too big, so he had one shot of Lupron, to last 4 months.It's now the end of the 4 months, and his prostate did NOT shrink at all.In fact, they said it GREW slightly!!His Dr. said this was the first time he's ever seen this, in his LONG career!Does anyone know if this is bad or good??? Does anyone know ANYTHING about it?I've read that the hormone therapy can actually sometimes TRIG...