It is somewhat common in certain breeds of dogs (golden retrievers, german shepherds) but is also associated with toxic exposure to arsenic (a potential issue for people in Bangladesh and the American Southwest, where the artesian wells often contain arsenic).
According to Answers.com average survival time wuth chemotherapy (including doxorubicin, a medicine with strong side effects) is 5-7 months.
Do you recall if any DCA trials have included this cancer type? I ask because the traditional drug treatments tend to be both unsuccessful and give a poor quality of life due to side effects.

Birger Johansson, Sweden