Research Article

Radiomics Analysis of Lymph Nodes with Esophageal Squamous Cell Carcinoma Based on Deep Learning

Figure 1

The extraction of radiomic features. (a) Original CT images with and without lymph node metastasis (LNM). (b) Labeled lymph nodes (LNs), negative LNM in the green box, positive LNM in the red box. (c) Region of interest (ROI) with and without LNM. (d) Feature extraction of handcrafted radiomic features and deep radiomic features.