Getting scans and tests from hospital. In the UK you can wait weeks just to get a blood test. Looking to the future, I'd like to see a full body scanner that y

Getting scans and tests from hospital. In the UK you can wait weeks just to get a blood test. Looking to the future, I'd like to see a full body scanner that you lie down in and it can diagnose the vast majority of ailments. See it has a combined x-ray/CT scanner. Sounds like science fiction? Would return instant results.