Not a medical professional, but inflammation is something different from cancer that they mentioned in their website. And we need to understand also the trial scenario: in the one about 5G they expose rats for more than 20 hours to a radio power more than 10 the law limits.
I think you and I agree. This is about the Italian cancer aspartame study you referenced (Ctrl-f on cancer). This is EFSA saying the study has major issues and reiterating that aspartame is safe.