From: Evaluation of optimal monoenergetic images acquired by dual-energy CT in the diagnosis of T staging of thoracic esophageal cancer
Postoperative pathologic T stage
Preoperative MEI (+)40 keV T stage
Preoperative PEI T stage
T1
T2
T3
T4
T1 (n = 8)
7
0
1
5
3
T2 (n = 9)
2
4
T3 (n = 29)
24
8
17
T4 (n = 3)