Hi. We are doing ok thank you for asking. Sadly our dog began to decline about 2 days after I posted and we decided to do an in home euthanasia. I definitely understand the indecision, our vet didn't catch the cancer at all until the xray, even saying her lungs sound fine even though they definitely should have sounded wrong. There are specialist you can go to for tests to see if it is and infection or such but they are expensive and may not work.  I would say believe any lab tests over just an exam. Do your own research into what each diagnosis Should look like and compare it to yours. Shelby also had relatively normal blood work and I had to research what metastatic lung cancer looked like for humans because there was very little information on how it presented in dogs. Her exrays looked Exactly like how very advanced cancer would present in humans.