Table 1.
Patient characteristics
| TH group (n = 82) | LTA group (n = 85) | |
|---|---|---|
| Age (years)* | 60 (36–75) | 63 (38–75) |
| Sex ratio (M : F) | 71 : 11 | 63 : 22 |
| Borrmann type | ||
| 0–2 | 36 | 37 |
| 3 or 5 | 46 | 48 |
| Siewert classification† | ||
| Type II | 52 | 43 |
| Type III | 27 | 36 |
| Non‐OGJ tumour | 3 | 4 |
| Tumour size (cm)*† | 6·2 (2·5–19) | 7·0 (2·0–18) |
| Histological type† | ||
| Differentiated | 42 | 43 |
| Undifferentiated | 40 | 40 |
| Clinical tumour categoryठ| ||
| cT2 | 20 | 20 |
| cT3/4 | 62 | 65 |
| Pathological tumour category†‡§ | ||
| pT1b | 2 | 1 |
| pT2a | 10 | 6 |
| pT2b | 24 | 35 |
| pT3 | 39 | 37 |
| pT4 | 7 | 4 |
| Pathological node category†‡ | ||
| pN0 | 14 | 15 |
| pN1 | 24 | 27 |
| pN2 | 30 | 25 |
| pN3/4 | 14 | 16 |
| Pathological node category†§ | ||
| pN0 | 14 | 15 |
| pN1 | 35 | 28 |
| pN2 | 16 | 26 |
| pN3 | 17 | 14 |
| No. of positive nodes*† | 5 (0–53) | 5 (0–52) |
| Histological oesophageal invasion (cm)*† | 1·6 (0–4·5) | 1·2 (0–7·0) |
| Residual tumour | ||
| R0 | 76 | 75 |
| R1/2 | 6 | 10 |
*
Values are median (range).
†
Data not available for two patients in the left thoracoabdominal (LTA) group who did not undergo surgical resection owing to M1 disease.
‡
Japanese Classification of Gastric Carcinoma, 12th edition16;
§
International Union Against Cancer (UICC) TNM classification, 6th edition17. TH, transhiatal; OGJ, oesophagogastric junction.