It is usually recommended to perform the following diagnostic tests for your pet: (houstonpettalk.com)
Diagnostic Tests for Lymphoma Your veterinarian will give your cat a thorough physical, and based on the findings, plus your description of the cat's symptoms, will order one or more of the following diagnostic tests: (thesprucepets.com)
When your vet has evidence of a heart murmur in your dog, he or she will discuss which of the following diagnostic tests are most appropriate. (healthypets.mercola.com)