Using the K-Nearest Neighbor Algorithm for the Classification of Lymph Node Metastasis in Gastric Cancer

Figure 3

Monochromatic energy CT value in the arterial and venous phases of gastric lymph node metastasis.

(a) Raw data in the arterial phase

(b) Raw data in the venous phase

(c) Normalized data in the arterial phase

(d) Normalized data in the venous phase