Husband put in a urine sample to the GP today, got a call this afternoon that she wants him to do a stool sample thing and a blood test for prostate and bowel cancer. He's 70 and has a lot of underlying health conditions. She used the words 'i don't want to worry you, but' but then hasn't fast tracked the blood test, which was a routine one due to medication he's on. What are we looking at here? We're terrified