Conventional and MR fingerprinting images in a 40-year-old female participant with, A, B, two invasive ductal carcinoma (IDC) lesions in right breast and, C, one cyst in left breast. Both dynamic postcontrast images and MR fingerprinting results are presented. Compared with values from normal fibroglandular tissues, longer T2 values were observed from both IDC lesions and cyst, whereas longer T1 value was only obtained with cyst.