https://www.ema.europa.eu/en/documents/assessment-report/comirnaty-epar-public-assessment-report_en.pdfSpike protein after a vaccine will congregate in a liver and liver gets enlarged. There is gammalutamyltransferase, also aspartatetransaminase. Alkaline phosphatase is increased.
The mRNA inside the vaccine may travel to liver cells eventhough injection itself is in your arm. This may not happen with every patient but it will happen for several. Proof already exist.
Once mRNA reaches a liver cell, those cells will produce spike protein until their death which is quite a long time for a liver cell. In the meantime the accumulating spike protein inside a liver tissue will increase since affected cell shits it out all the time.
It goes like this: HUH7 protein is reverse-transcribed in a liver cell into DNA code. (its complicated and for example (thymine-thymine-adenine trio will transcribe into leucine and vice versa) it is transcribve by Line-1 transcriptase.
What Pfizer originally said, was that "mRNA will merely reprogram your arm cells proteinsynthesis machine to produce spike protein which then causes immune response towards spike protein and after time has passed you are immune to effects of a corona virus". However now there is proof brain cells and liver cells may get accidentally reprogrammed too and thats a bad thing. Arm muscle cells wouldnt be that bad if it truly never went anywhere else.