Tumor Regression Grade Predicts Survival in Locally Advanced Gastric Adenocarcinoma Patients with Lymph Node Metastasis

Figure 1

Examples of Mandard TRG. (a) Complete tumor regression, TRG 1. (b) Rare residual tumor, TRG 2. (c) More residual tumor but less than fibrosis, TRG 3. (d) Residual tumor with signs of regression, TRG 4. (e) Residual tumor without regression, TRG 5.

(a)

(b)

(c)

(d)

(e)