I totally agree - I am a healthy eating advocate - I too do the no surgar, no white flour and no processed food thing. However, i also completed 33 round of radiation, and 2 of chemo. Base of tongue cancer - particularly HPV related - is very very treatable even in the late stages- weightloss to me is generally a bad sign but if you are eating better it's a natural progression to lose that weight. Go to a ccc pursue traditional treatment, you could very easily be treated - possibly cured and despite beng 70 live another 20 years. Good luck!