From: Management of type 1 gastric neuroendocrine tumors: an 11-year retrospective single-center study
Endoscopic manifestation | Level 0 | Level A | Level B | Level C | Level D |
---|---|---|---|---|---|
Number | 0 | 1–3 | 4–6 | 7–10 | > 10 |
Diameter | 0 cm | Granular shape | < 0.5 cm | ≥ 0.5 cm, < 1 cm | ≥ 1 cm |