A group of MPs are calling for men with prostate cancer to get better access to treatment.
Prostate cancer is the most commonly diagnosed cancer in men, and accounts for more than 10,000 deaths each year.
But men suffering from it report having a significantly worse experience of treatment and care than patients with other cancers.
Now 52 elected members have signed an Early Day Motion sponsored by Norwich North Labour MP Dr Ian Gibson.
In it he condemns the so-called postcode lottery of care around the treatment known as Low Dose Rate (LDR) Brachytherapy.
He claims that one in six patients are denied access to the therapy, despite the fact it has approval from the National Institute of Health and Clinical Excellence (NICE), and the Department of Health has issued advice supporting increased usage.
Dr Gibson said: "All people with cancer should have access to the right choice of treatment for their condition and circumstances.
"I hope that the new Cancer Reform Strategy will bring an end to postcode lotteries for people with cancer and allow men with prostate cancer to feel as satisfied with their treatment and care as people with other cancers."