Complex sentence: When the matter was revisited in 2002, again no evidence was found of medical mistreatment, but the AACR considered the letter offensive enough to remove Rhoads' name from a prize established to honor his lifelong work in cancer research.
Split into simpler sentences: When the matter was revisited in 2002, again no evidence was found of medical mistreatment. The American Association for Cancer Research (AACR) considered the letter offensive enough to remove Rhoads' name from a prize established to honor his lifelong work in cancer research.