Clinical Study
Impact of the Number of Dissected Lymph Nodes on Survival for Gastric Cancer after Distal Subtotal Gastrectomy
Table 1
Clinical characteristics of the 634 patients.
| Characteristics | Patients |
| Gender | | Male | 467 (73.6) | Female | 167 (26.4) | Age (years) | 56.1 ± 12.1 (range, 22~87) | Tumor diameter (cm) | 4.3 ± 1.7 (range, 0.5~15) | Tumor location | | Lower | 521 (80.8) | Middle | 71 (11.2) | Lower and middle | 42 (8.0) | Digestive tract construction | | Billroth I | 469 (74.0) | Billroth II | 148 (22.3) | Roux-en-Y | 17 (3.7) | Pathology | | Differentiated | 140 (22.1) | Undifferentiated | 494 (77.9) | Depth of invasion | | pT1 | 118 (18.6) | pT2 | 106 (16.7) | pT3 | 68 (10.7) | pT4a | 342 (54.0) | pN category | | pN0 | 195 (30.8) | pN1 | 115 (18.1) | pN2 | 117 (18.5) | pN3 | 207 (32.6) | Number of resected LNs | | 0~9 LNs | 32 (5.0) | 10~14 LNs | 75 (11.8) | 15~19 LNs | 111 (17.5) | 20~24 LNs | 161 (25.4) | 25~29 LNs | 118 (18.6) | 30~34 LNs | 78 (12.3) | ≥35 LNs | 59 (9.4) | TNM stage | | I | 133 (21.0) | II | 165 (26.0) | III | 336 (53.0) |
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