What structure is the faintly visible, tubular-shaped, soft tissue opacity visible in the caudal portion of the thorax, ventral to the aorta, and dorsal to the caudal vena cava? Subscribe to pro for the answer!
What structure is the faintly visible, tubular-shaped, soft tissue opacity visible in the caudal portion of the thorax, ventral to the aorta, and dorsal to the caudal vena cava? Subscribe to pro for the answer!