Teaching Files

Case 14

Contributed by: Steven J. Rockoff, MD and Diana L. Lam, MD - June 1, 2020

A 40-year-old woman presents for a baseline screening mammogram:

You note a large mass in the left breast. What is the best description for the location of this mass?

A. 1:00 (upper outer quadrant)
B. 1:00 (upper inner quadrant)
C. 5:00 (lower outer quadrant)
D. 5:00 (lower inner quadrant)
E. 11:00 (upper inner quadrant)
F. 11:00 (upper outer quadrant)