For dogs with large breast tumors (> 3.0 cm), the prognosis tends to be poor since there is an 80 % chance of recurrence of the tumor within 6 months after canine breast cancer treatment. (dog-health-guide.org)
With surgery alone, there is a very high chance of recurrence. (wearethecure.org)
Gene therapy delivered directly to a particularly stubborn type of breast cancer cell causes the cells to self - destruct, lowers chance of recurrence and helps increase the effectiveness of some types of chemotherapy, researchers... (medicalxpress.com)