my 10yr old cat has a lump in between his cartoid and jugular artery hes been to the vet -awaiting lab results-hes on clavaseptin tabs the vet says hes not really sure what it is. the cat is not in any pain is eating and doing things he always does .the position of the lump he says is unusual but also in a funny place. the cat kept swallowing all the time thats how it was noticed -now since on these tabs hes stopped that his lungs etc all show clear on x-rays -does any1 have any ideas whats the problem tia