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Association between underestimation of tumor depth in cT1 upper third gastric cancer and histology and tumor size.
| Histology, tumor size | Correct group (n=27) (%) | Underestimated group (n=10) (%) |
|---|---|---|
| Intestinal, <20 mm | 9 (100) | 0 (0) |
| Intestinal, ≥20 mm | 16 (72.7) | 6 (27.3) |
| Diffuse, <20 mm | 1 (50.0) | 1 (50.0) |
| Diffuse, ≥20 mm | 1 (25.0) | 3 (75.0) |
