Fig. 1From: Ceusia-Breast: computer-aided diagnosis with contrast enhanced ultrasound image analysis for breast lesionsExamples of images in CEUS. The left side is the contrast image, and the right side is the B-mode image. a At contrast injection. b 20 seconds after contrast injection (in arterial phase). c 30 seconds after contrast injection (in venous phase). The phases are defined in [39]Back to article page