In fact, I noticed that on my Mayo CT scans there is wording about adjusting to find lung nodules. My first CT scan with contrast was done before Mayo. And it recommended a PET which I did immediately. I try to go to same places for things now because there can be differences as you state... and also in the machines. What do you know about quality of radiation treatments from place to place? If I need in the near future, I have the option of doing at Mayo or locally there is a place.

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