Media reports study findings of milk consumption/breast cancer risk using relative risk figure of 50% increase with one cup/day instead of 1.6% absolute risk increase. Study cannot show causality either.

Medical Mythbusting Commentary for February 28, 2020

Source:
One cup of milk per day associated with up to 50 per cent increase in breast cancer risk: study

Reference:
Dairy, soy, and risk of breast cancer: those confounded milks