Benefits & difficulties of screening
Benefits:
1- Women who undergo breast cancer screening mammograms have demonstrated significantly reduced deaths from the disease.
2- There is a better chance of treating the cancer successfully.
3- There may be more treatment options.Breast conserving surgery is possible.
Possible harms:
1- Over-diagnosis and treatment of insignificant cancers.
2- Breast screening occasionally misses a cancer (false negative).
3- Additional testing (false positives).
4- Radiation-induced mutations can cause breast cancer
Difficulties:
1- Breast screening cannot prevent cancer
2- Having a mammogram could be uncomfortable for some women
3- False positive results may cause unnecessary worry.
4- Mammograms sometimes need to be repeated.