I had some ISP problems, I'm playing catch-up here, forgive me if things have already been answered.
Dr. Padgett and a group studied several types of cancer, and were able to conclude at that time that only histio and mast cell definitely had a hereditary basis in the breed. He is studying hemangiosarcoma and one other type of cancer at the present time, and he is not yet ready to make any hard and fast conclusions. Pat Long (& Luther) Berwyn PA