We use the every three year rabies vaccines but it is possible to make a very good case for using PureVax (tm, Merial) rabies vaccine, which is thought to be less likely to cause cancer at vaccine sites. (vetinfo.com)
You're likely thinking of Feline Vaccine Associated Sarcoma, an aggressive cancer sometimes occurring at vaccine sites in cats. (articles.orlandosentinel.com)
Most cases of GVIID have a focal lesion at a prior vaccine site. (thedogplace.org)