Sweetpea~I think the LD & co is what is implicated with neck/throat/head with so many. And lymphoma, another label that comes from somewhere. As Girlie mentioned, pain is not typically indicated for cancers, but good you re exploring all areas.
Trav~geezsch~u & hubby been through a lot! Your spirit of helping always appreciated.
Here's one NIH article tying in the symptoms of lymphoma with the lovely LD:
www.ncbi.nlm.nih.gov/pubmed/3222255