Most pets diagnosed with cancer can have a normal lifespan in a healthy manner and and their quality of life remains stable throughout the treatment process. Like people, animals can also be treated via tumor removal, chemotherapy, radiotherapy, immunotherapy and a combination of these methods. The most important step in cancer treatment is accurate diagnosis. In oncological consultancy, all the clinical symptoms should be examined and all possible treatment options should be evaluated. With the diagnostic tool called staging, scope of the cancer and treatment strategies are determined.