From: Greater Omentum Imaging-Reporting and Data System: establishing the grade of benign and malignant lesions of the greater omentum using ultrasonography
Omental score (points)
≤5
6
7
8
9
10
11
12
13
≥14
Benign
44
53
51
39
32
4
1
2
0
Malignant
3
17
19
50
118
57
215
162
Malignant rate (%)
1.85
5.56
30.36
37.25
87.72
96.72
98.28
99.08
100