My condolences... You should consult with their oncologist, but you could ask for Keytruda treatment. You should be aware that the immune response to a late sta

My condolences... You should consult with their oncologist, but you could ask for Keytruda treatment. You should be aware that the immune response to a late stage cancer that results could also be dangerous, including high fever and delirium... Best wishes to you and your family...