Thread by @daniel_corcos

I see many problems with this presentation.
#BreastCancerAwarenessMonth #OctobreRose2021
#mammography
(THREAD)
1/

https://twitter.com/TranspariMED/status/1449751861117001732

The chance that a woman will die from breast cancer in developed countries is 1 in 40 (remember that 1 out of 8 women will have breast cancer). Therefore, in a theater of one thousand women, 25 will die from breast cancer.
2/

This means that if regular mammography screening was really reducing breast cancer death by 20%, more than 5 women out of 1000 have been saved by regular mammography screening (since the above numbers are in countries with national screening).
3/

5 women out of 1000 saved from breast cancer death is not that bad. But this does not occur.
4/

3) We don’t see any reduction in breast cancer mortality after mammography screening because, although mammography leads to early detection and treatment, it causes radiation-induced cancer:


5/5