The majority of breast cancer patients do not have the BRCA gene mutation, so it is likely that there will be a lot of people here who have had these results.
Yeah. Look on page 5, at the end of the second paragraph, it tells you the percentage of the population who carry the mutation, which is one quarter of one percent. Not everyone who carries the mutation will develop cancer, and the majority of people who do have breast cancer do not have the mutation.
