However, we do not have absolute confirmation on that at this time. (windowscentral.com)
A final point I will make is that you shouldn't take the above signs as absolute confirmation that you have made it to the next stage of the process, and you certainly shouldn't halt your job search because of this. (social.hays.com)
Still, absolute confirmation of the FCE diagnosis requires a piece of spinal cord tissue for analysis and this is not something that would be done in a living patient. (marvistavet.com)