Professor of medicine Gil Welch surprised by huge reaction to Angelina Jolie 's op-ed . One , from a research fellow at the International Agency for Research on Cancer , nicely summed up the general concern : ` The professor said he was shocked at the response and that it had been "overwhelming. " Welch : But 99 % of women do not carry the BRCA1 mutation that raises the risk of breast cancer . He says women should look at family history before getting tested for the mutation .
Professor of medicine Gil Welch surprised by huge reaction to Angelina Jolie 's op-ed . The professor said he was shocked at the response and that it had been "overwhelming." Welch : But 99 % of women do not carry the BRCA1 mutation that raises the risk of breast cancer . He says women should look at family history before getting tested for the mutation .