By: Erica Carbajal From: jamanetwork.com Most countries recommend that women receive breast cancer screening every 2 years between ages 50 and 69 years.1 In 2009 and 2016, the US Preventive Services Task Force (USPSTF) updated its recommendations to advise that women receive screening mammography every 2 years between ages 50 and 74 years, with the decision to begin screening earlier …