He has undergone six different chemo therapies since then but none have been successful. His Consultants have concluded that he is now in a position where his o

He has undergone six different chemo therapies since then but none have been successful. His Consultants have concluded that he is now in a position where his only hope of reducing the cancer enough to be able to receive a life saving stem cell transplant is to treat him with a new type of drug called a PD1 blocker. Kind of different to needing insulin, isn't it