1 / 30
2 / 30
3 / 30
4 / 30
5 / 30
6 / 30
7 / 30
8 / 30
9 / 30
10 / 30
11 / 30
12 / 30
13 / 30
14 / 30
15 / 30
16 / 30
17 / 30
18 / 30
19 / 30
20 / 30
21 / 30
22 / 30
23 / 30
24 / 30
25 / 30
26 / 30
27 / 30
28 / 30
29 / 30
30 / 30
Key to improving survival is the development and adoption of new imaging modalities to identify early neoplastic lesions, which may be small, multifocal, subsurface, and difficult to detect by standard endoscopy.