0. Absent (= score 0) | ||||
1. Indefinite (no score is applicable) | ||||
2. Present | Histological type | Location & key lesions | Grading | |
Antrum | Corpus | |||
2.1. Non-metaplastic |
Gland disappearance (shrinking) Fibrosis of the lamina propria |
2.1.1. Mild = G1 (1–30%) 2.1.2. Moderate = G2 (31–60%) 2.1.3. Severe = G3 (> 60%) | ||
2.2. Metaplastic |
Metaplasia: – Intestinal |
Metaplasia: – Pseudo-pyloric – Intestinal |
2.2.1. Mild = G1 (1–30%) 2.2.2. Moderate = G2 (31–60%) 2.2.3. Severe = G3 (> 60%) |