Table 2. Post-treatment-related clinical characteristics of the study population (n=850).
| n (%) | |
|---|---|
|
Clinical response | |
| Responder | 236 (28.6) |
| Non-responder | 590 (71.4) |
| Minor response | 298 (36.1) |
| No change | 267 (32.3) |
| Progressive disease |
25 (3.0) |
|
Surgical procedure | |
| Abdomino-thoracic oesophageal resection | 201 (23.6) |
| Transmediastinal oesophageal resection | 88 (10.4) |
| Oesophago-gastrectomy | 9 (1.1) |
| Transhiatal extended gastrectomy | 295 (34.7) |
| Total gastrectomy | 208 (24.5) |
| Subtotal gastrectomy | 35 (4.1) |
| Others |
14 (1.6) |
|
Complications | |
| Yes | 352 (41.5) |
| Surgical | 135 (15.9) |
| Medical |
282 (33.2) |
|
ypT category | |
| ypT0 | 48 (5.6) |
| ypT1 | 62 (7.3) |
| ypT2 | 101 (11.9) |
| ypT3 | 505 (59.4) |
| ypT4 |
134 (15.8) |
|
ypN category | |
| ypN0 | 314 (37.3) |
| ypN1 | 147 (17.5) |
| ypN2 | 146 (17.3) |
| ypN3 |
235 (27.9) |
|
M category | |
| M0 | 674 (79.3) |
| M1 |
176 (20.7) |
|
R category | |
| R0 | 637 (74.9) |
| R1 | 177 (20.8) |
| R2 |
36 (4.2) |
|
HPR | |
| Grade 1a | 48 (5.6) |
| Grade 1b | 167 (19.6) |
| Grade 2 | 208 (24.5) |
| Grade 3 | 427 (50.2) |
Abbreviations: HPR=histopathological regression; UICC=Union for International Cancer Control.
TNM classification according to UICC 7th edition.