According to the Canadian Cancer Society, "ductal carcinoma is the most common type of breast cancer
accounting for almost 80 per cent of invasive breast cancer. Lobular carcinoma makes up around 10 per cent of invasive breast cancers in patients" (1).
Yet, researchers stress that women should not stop taking their high blood pressure medications as more replicate studies are needed first. When results are confirmed in the future women will be advised to try other available options that are not linked to breast cancer.
2- Healthy Living Canada: http://www.huffingtonpost.com/2013/08/06/calcium-channel-blockers-breast-cancer-blood-pressure_n_3712936.html?ncid=edlinkusaolp00000003