My mum's uncle had cancer of the colon and it took two operations to remove it and then he had to wait for the wound to heal before he had chemo, the wound wasn't healing and when he went for a check up he was told that he also had lung cancer. The worst bit is that he also contracted the hospital bug MRSA while he was there and guess what?.... They FORGOT yes forgot to send him the letter telling him he had MRSA