Fig. 3From: CT for estimating adequacy of lymph node dissection in patients with squamous cell carcinoma of the head and neckExample resected lymphatic tissue specimen. Resected pathological volume is estimated via three methods: a rectangular prism (x y z), a rectangular bipyramid (\( \frac{2}{3}\ x\ y\ z \)), and a triaxial ellipsoid (\( \frac{\pi }{6}\ x\ y\ z \))Back to article page