It is so nice to see that you are feeling positive and enthusiastic in these trying times. My husband is on immunotherapy which is exactly what Professor Harrington told you about. The trials are being conducted all over the world albeit on small samples. It appears that some lung cancer patients have had tumour reduction and that is why they have now opened up John's particular trial to head and neck patients. Our MO feels these are exciting and interesting times. She also mentioned that if the drug John is on does not work well, there are others he can try.