You raised an excellent point, corgieguy. Greyhounds, in particular, appear to be genetically predisposed to osteosarcoma - a HUGE killer of greyhounds. I'm sure that almost every greyhound owner has had some experience with osteo. In fact, OSU began a greyhound cancer research facility:
http://www.vet.ohio-state.edu/1872.htm

Mike001, if your daughter is interested in the possible health problems for her future dog, she should check out the above link. They have a very nice list of FAQs that will come in handy. It addresses the issue of anesthesia, high RBC, creatinine levels, etc. etc. Greys are very unique, and it doesn't end at their physical appearances. They're unique health-wise as well