cost of canine chemotherapy
1 If the chemotherapy has to be combined with radiation therapy, the total cost can range between $2,000 and $6,000. 2  Lymphoma, the most common canine cancer, usually requires only chemotherapy and its cost can come up to be around $450 to $500.nother factor is the type of drugs used in the process. The size of the dog that needs to undergo chemotherapy can also impact the cost. Even a dog very small in size with a single cancerous lesion can cost $200 for chemotherapy, while the same problem on a larger breed could cost more than $1,000 a month.