Herson,

I also can not give you any answers. Hope the TX they have your mom on now will take care of the cancer for good. My sister sounds like she had some similarities to your mom. She was also a non smoker, veggan and extremely healthy. In fact among all the siblings and in laws in their 40's and 50's we thought she would be the one that outlived us all. Connie had small part of her tongue removed 2 1/2 years ago, followed by 3 mores surgeries and 7 weeks of radiation and chemo with in that period. A CT scan showed a small tumor in her lungs too. Because she refused the more aggressive surgery early on and having the radiation treatments the cancer kept re-occurring. It is a very aggressive cancer and I'm glad your mom is getting the TX she is. Hope the tumor in lungs shrinks too as the neck tumor has.
As has been stated in this forum many times, going to a CCC would be the best thing to do, they are the experts, since the doctors you have been dealing with seem a little perplexed at what is going on. My best to you and your mom.

Nancy