Table 1 Clinicopathological findings of patients with early gastric cancer (n = 327)
Variables | Number of subjects (%) |
|---|---|
Sex | Â |
   Male | 204 (62.4) |
   Female | 123 (37.6) |
Gastrectomy | Â |
   Distal | 211 (64.5) |
   Proximal | 34 (10.4) |
   Total | 81 (24.8) |
   Partial | 1 (0.3) |
Surgical approarch | Â |
   Laparoscopy | 236 (72.2) |
   Hand-assist | 27 (8.3) |
   Open laparotomy | 64 (19.6) |
Tumor depth * | Â |
   pT1a (m) | 161 (49.2) |
   pT1b1 (sm1) | 43 (13.1) |
   pT1b2 (sm2) | 123 (37.6) |
Lymph node metastasis †|  |
   pN0 | 282 (86.2) |
   pN1 | 34 (10.4) |
   pN2 | 6 (1.8) |
   pN3 | 5 (1.5) |
Distant metastasis †|  |
   M0 | 327 (100.0) |
   M1 | 0 (0) |
Main histologic type | Â |
   Differentiated | 169 (51.7) |
   Undifferentiated | 158 (48.3) |
Lymphatic invasion †|  |
   L0 | 246 (75.2) |
   L1-2 | 81 (24.8) |
Venous invasion †|  |
   V0 | 279 (85.3) |
   V1-3 | 48 (14.7) |
Stage †|  |
   IA | 282 (86.2) |
   IB | 34 (10.4) |
   II | 6 (1.8) |
   IIIA | 5 (1.5) |