High-resolution ultrasound (left) and nonlinear contrast (right) image of a subcutaneous tumor showing perfusion in the tumor tissue. …

High-resolution ultrasound (left) and spectrally unmixed photoacoustic (right) image of a subcutaneous tumor showing nanoparticle distribution (yellow) as well as oxygenated (red) and deoxygenated (blue) hemoglobin …

3D rendered high-resolution ultrasound image of a subcutaneous tumor. …

3D rendered high-resolution ultrasound (greyscale) and color Doppler (orange and blue) image of a subcutaneous tumor showing blood …

3D rendered high-resolution ultrasound (greyscale) and nonlinear contrast (beige) image of a subcutaneous tumor showing perfusion in the tumor …