Figure 12b. Mondor disease in a 35-year-old woman who presented with the characteristic clinical finding of a palpable, painful cordlike structure on the lateral aspect of the breast. (a) Mammogram of the left breast shows a superficial linear density in the outer quadrants (arrows) corresponding to the cordlike area seen at clinical examination. (b) US image reveals an echogenic tubular structure corresponding to the thrombophlebitic vein.