New figures reveal almost half of cancer patients in South East England are diagnosed too late to be given the best chance of survival.
Cancer Research says there is a 'desperate shortage' of NHS staff able to conduct the necessary tests - and the government is being urged to urgently recruit and train staff to diagnose and treat cases early.
In one Kent case, a man's potentially fatal brain tumour was repeatedly dismissed by doctors. Jenna Verdicchio reports.
Contributions by Polly Turner of The Pickering Centre and Matt Case, Cancer Research UK.
The Pickering Cancer Drop-in Centre gives support to people whose lives have been touched by cancer.