Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A hormonally positive, HER2 negative cancer with low Ki67 in the right breast. The first image is baseline MRI prior to NAC. The second and the third images are follow-up MRI during NAC treatment. The fourth image is the last MRI after the completeness of NAC treatment. MRI indicates a 2.5cm residual tumor after NAC, which differs markedly from a 5.5 cm tumor found in surgical pathology.
