I think that was taken from a program on Sky called Britons Fattest Man. Its a bit of CGI, so not an x-ray/cat scan that Twitter thinks it is.
Infact, it has the poor sods name in the top right. A quick google shows him to be a rather large chap.
Infact, it has the poor sods name in the top right. A quick google shows him to be a rather large chap.