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Pathological Information
| Tumor Characteristics* | No. (%) |
|---|---|
| Diameter (mm) | |
| 0–5 mm | 15 (83) |
| 6–10 mm | 3 (17) |
| Depth of invasion | |
| T1aţ | 17 (94.5) |
| T1bţ | 1 (5.5) |
| Initial margins | |
| Positive | 7 (39) |
| Indeterminateŧ | 11 (61) |
Mean tumor diameter±SEM = 4.6±0.5 mm.
T1: Tumor invades lamina propria or submucosa and size ≤2 cm. T1a: Tumor size <1 cm. T1b: Tumor size 1–2 cm. [17]
The tumor specimen was either in fragments, or the status of the margin was not specified in the pathology report.
