A woman's breast cancer was missed on multiple mammograms. She had higher breast density, which can hide tumors.

• 05/05/2024, 2:18 PM
• businessinsider.com

JoAnn Pushkin

JoAnn Pushkin did everything she could to spot breast cancer early. She started getting annual mammograms at 40, the recommended age to begin screening. She also followed a healthy diet, regularly exercised, and performed additional self-exams, despite only having one aunt with breast cancer and no other risk factors.