Figure 2. Tumor imaging using high resolution ultrasound.

A. Tumor free animal visualizing abdominal landmarks shown by high resolution ultrasound. B. Detection of a non-palpable small tumor lesion (9.8 mm²) growing on the left side of the spine attached to the muscles. C and D. Imaging of a large palpable tumor (49 mm²). Growing around the aorta and inferior vena cava (IVC), displacing the left kidney. The pictures shown are transverse sections, oriented with the dorsal side down and the ventral up.