Early diagnosis can improve your chances of survival massively, and is also a big opportunity to new technology to help as shown in the Nokia Sensing XCHALLENGE entries.
Hopefully one day (and not some distant time in the future) you will be able to be quickly scanned for a wide variety of diseases and infections - hundreds of times more than could realistically be considered by a GP considering general symptoms such as fever, nausea and pain - of course they have to assume its the most common ailments first so could be months before all the other possible causes are tested for and discounted.
Nokia Sensing XChallenge - XPrize
Qualcomm Tricorder XPRIZE - http://www.qualcommtricorderxprize.org/
Scanadu Scout Medical Tricorder indiegogo project - http://www.indiegogo.com/projects/scanadu-scout-the-first-medical-tricorder?c=home
Precision Medicine Blog Posts
Warts precision medicine got to do with it?
Six of the best from Ray's newsletter
New blood test can detect lung cancer before symptoms show upBBC - 10-Sep-2019
Detects 50% more early stage lung cancers and being expanded to detect other typesRead more...
New screening test may help to nip ovarian cancers in the budIndependent - 23-Aug-2019
4x survival rate if EOC is caught earlyRead more...
Graphene nanoflakes can deliver drugs to target tissuesPhys.org - 19-Aug-2019
Tested on mice model - need to slow down excretion from tissuesRead more...