John Stewart from Girton, Cambridgeshire died of prostate cancer two years ago.
As part of ITV's prostate cancer campaign, his teenage daughters Jessica, 17, and Esme, 13, tell ITV News Anglia they want other daughters to urge their dads to get themselves checked out.
More than 40,000 men are diagnosed with prostate cancer in the UK every year, yet few get themselves tested. Here's what you need to know.
ITV's 'Stand By Your Man' campaign, along with Prostate Cancer UK, is aiming to raise awareness of the disease among men and women.
TV presenter Julia Bradbury's father tells ITV News about how his daughter urged him to go to the doctor - who discovered prostate cancer.