World M.R.I.s Can Better Detect Cancer in Women With Dense Breasts, Study Finds November 27, 2019November 27, 2019Roni Caryn RabinComments Off on M.R.I.s Can Better Detect Cancer in Women With Dense Breasts, Study Finds A large study found that M.R.I.s detected tumors missed by mammograms, cutting interval cancers by half or more.