They said that his white blood is elevated and his red blood is elevated. Tested everything but MRI. On the cat that died from brain cancer we did both ct and mri. He hasn't eaten in 2 days now.
Could you please tell me what tests they have performed?
Did they do blood work for hyperthyroidism? Did they perform abdominal X-Rays? If you really suspect stomach cancer, (and it is a cause of chronic vomiting), than you can ask to have a abdominal ultrasound or barium study performed on your cat. These should be able to give you a definitive diagnosis.
Diagnosis of brain cancer would require a CT Scan or MRI of the brain.