“Most young women detect their own breast cancers…” “Patients presenting with palpable masses on SBE or CBE even with a normal mammogram within 1 year tended to have more aggressive tumors… resulting in more aggressive therapy.”

Ruddy, K. J., Gelber, S., Tamimi, R. M., Schapira, L., Come, S. E., Meyer, M. E., Winer, E. P., & Partridge, A. H. (2014). Breast cancer presentation and diagnostic delays in young women. CANCER, 120(1), 20–25.