Figure 2. A 2.2 cm ductal carcinoma in situ of the right breast in a 31-year-old woman (Patient 15).

(A) CT scan demonstrates a mass in the right breast. (B) ^99mTc-3P₄-RGD₂ SMM demonstrates focal uptake of ^99mTc-3P₄-RGD₂ in the tumor (T/NT = 2.96). (C) ^99mTc-MIBI SMM demonstrates low uptake of ^99mTc-MIBI in the tumor (T/NT = 1.31).