‘Colossal failure’
Counting the cost of the computer glitch
450,000
the total number of women whose lives were put at risk through missed screenings
309,000
the number of women still alive today who were affected
270
the number of women who may have died as a result of the blunder
6,000
the number of cancer cases which may have been missed
9
the number of years it took to spot the error
6
the number of months a review is expected to take
65,000
women who will receive letters this week
71.1
per cent of women in England aged 50 to 70 who took up invitations for routine screening in 2016-17