India, Feb. 19 -- Up to half of patients for some cancers in England and Wales are not receiving the correct treatment for their form of the disease, according to a body of senior doctors.

The National Cancer Audit Collaborating Centre (NatCan), which audits care across nine major cancer types, told the BBC that prostate, kidney and colon cancers were the worst affected, with large variations in care between hospitals.

Among the figures shared with the BBC, NatCan said half of stage four renal cell carcinoma patients, who have seen their type of kidney cancer spread to other parts of the body, do not receive drug treatment.

More than one-third (34%) of stage three colon cancer patients do not receive chemotherapy within three months of...