tests and NJH visit

Hi,
I am looking at my 5-day schedule at NJH, filled with tests. I guess they have to test and find out ...
Did you have the same expereince? Did you have to have a hi resolution CT and bronchoscopy, both? I am scared of the bronchoscopy. Last time I had it, I had to stay overnight at the hospital because my oxygen got low.
I wonder if they do consider the tests we have done at our local place. I had a bronchoscopy last July.
Just feel a little puzzled. I do see this is why they are doing a thorough job.
Your experience will be appreciated.
Ling