Table 1 Overall frequency and percentage distribution of patients with early gastric neoplasia after ESD procedure
Clinico-pathologic parameter | Total number of EGC lesions (n=162) | Percentage |
|---|---|---|
Mean Age in years (±SD) | 61.10 ± 8.76 | – |
Gender | ||
 Female | 42 | 25.9% |
 Male | 120 | 74.1% |
Tumor location | ||
 Lower one third | 95 | 58.6% |
 Middle or Upper third | 67 | 41.4% |
Gross tumor type | ||
 Group 1 | 46 | 28.4% |
 Group 2 | 116 | 71.6% |
Ulceration status | ||
 Absent | 135 | 83.% |
 Present | 27 | 16.7% |
Size of tumor | ||
 ≤ 2 cm | 111 | 68.5% |
 >  2 cm | 51 | 31.5% |
Differentiation | ||
 Differentiated | 129 | 79.6% |
 Undifferentiated | 33 | 20.4% |
Lauren’s category | ||
 Intestinal | 129 | 79.6% |
 Diffuse/Mixed | 33 | 20.4% |
Level of tumor invasion | ||
 Intra-mucosal tumor | 132 | 81.5% |
 Submucosal tumor | 30 | 18.5% |
Horizontal margin | ||
 Negative | 159 | 98.1% |
 Positive | 3 | 1.9% |
Vertical margin | ||
 Negative | 158 | 97.5% |
 Positive | 4 | 2.5% |
Lympho-vascular invasion | ||
 Absent | 159 | 98.1% |
 Present | 3 | 1.9% |
Resection type (en-bloc) | 162 | 100% |
Curability outcome (non-e-curative) | 36 | 22.2% |
Complete resection | 154 | 95% |