The National Cancer Intelligence Network's study found significant disparities in the survival rate of poor women diagnosed with breast cancer in the UK. However, the division is markedly less when women were diagnosed via cancer screening versus presenting with symptoms of the illness.
The 'All Breast Cancer Report' is the first in-depth analysis in the UK to look at how the impact of treatment and route of diagnosis - either through screening or symptoms presented to a GP - affects the chance of surviving the disease, among people with different levels of poverty.
This gap could, in part, explain why England's breast cancer survival rates are lower than in some other countries. Poorer women are being diagnosed with more advanced stage tumours which are detected too late for surgery or need more aggressive treatment.
For women presenting with symptoms of breast cancer, the report found a 15 per cent difference between the most (68 per cent) and least (83 per cent) deprived in those women who survive for more than five years.
But there was very little difference in survival between the most and least deprived women who were diagnosed through screening.