Hi Terrib

I think the phrase "I did not appreciate ..." means she hadn't considered that whatever the abnormality was around the piriform sinus was responsible for the increased uptake reading on the PET.

It is possibly she either doesn't think the increased uptake is anything to do with the piriform sinus OR someone explained it to her and she is now saying "oh I hadn't realised ..."

Whatever she means, you will have to ask her but I really don't think it is anything you said

PS things get stuck in the piriform sinus all the time (that sensation of something being stuck in your throat?), so maybe there is infection, left over food or even scarring from a previous lodgement of food that set the PET off??? Just a guess... and may be completely off ...

Alex often described his food/mucous/formula getting stuck on a "platform" at the back of his throat which made him feel he was choking. I certainly saw (via endoscope) a lot of pooling of gunk in that area .