We don't know why the chemo did not work, the only comment was 'these things happen' though less often with lymphoma than other cancers. The point i would make( from my own logic and reading rather than medical advice) is that they don't have an understanding of what causes Lymphoma. So...
I think it has to come down to a personal decision and personal financial circumstances. My family are still trying to be ultra cautious, my daughter moved out and now does our shopping once a week. We main maintain social distancing with her. We have now had 2 socially distanced visits with...