A couple of thoughts:
If the rate is higher what IS the rate. For instance if it is 100% higher but the rate of cancer is 0.0001% vs 0.0002% then it is not worth worrying
Also on the 10 year old what is life expectancy? We all die of something and so do our pups.
That said the disclaimers. Sca was a must nueter agreement and it is on his papers. Spitfire was no limitations but I also nuetered him. Other than that he is on the small side IMO (biased) opinion he actually has good build for breed standard. However both my guys are pets first and foremost. Even though Sca does well in flyball he is still a pet first then a flyball dog. So for quality of life for me and them it was fix them both. Good luck on your decision.
