Variable | Type E (SQ) (n = 12) | Type E (AD) (n = 6) | Type Ge (n = 27) | Type G (n = 47) | P-value |
---|---|---|---|---|---|
Overall | 7/12 (58.3%) | 3/6 (50.0%) | 19/27 (70.4%) | 14/47 (29.8%) | 0.003** |
Depth of tumor invasion | |||||
pT1 | 2/3 (66.7%) | 0/3 | 2/4 (50.0%) | 0/23 | 0.001** |
pT2 | – | 1/1 (100%) | 2/3 (66.7%) | 3/7 (42.9%) | 0.497 |
pT3 | 5/9 (55.6%) | 2/2 (100.0%) | 9/14 (64.3%) | 6/10 (60.0%) | 0.697 |
pT4 | – | – | 6/6 (100%) | 5/7 (71.4%) | 0.269 |
Main histological type | |||||
Squamous-cell carcinoma | 7/12 (66.7%) | – | 0/1 | – | 0.462 |
Adenocarcinoma | – | 3/6 (50.0%) | 19/26 (73.1%) | 14/47 (29.8%) | 0.002** |
Location of lymph node† | |||||
Cervical LN | 2/9 (22.2%) | 0/2 | – | – | 0.655 |
Upper–middle mediastinal | 0/11 | 0/5 | 0/4 | – | – |
Lower mediastinal‡ | 2/12 (16.7%) | 2/6 (33.3%) | 2/20 (10.0%) | 0/8 | 0.298 |
Perigastric LN | 6/12 (50.0%) | 3/6 (50.0%) | 17/27 (63.0%) | 13/47 (27.7%) | 0.026* |
Left paracardial | 1 | 2 | 8 | 2 | |
Right paracardial | 3 | 3 | 10 | 5 | |
Lesser curvature | 4 | 1 | 13 | 10 | |
Greater curvature | 0 | 1 | 4 | 1 | |
Suprapyloric | 0 | 0 | 0 | 0 | |
Infrapyloric | 0 | 0 | 1 | 0 | |
LN along left gastric artery | 2/12 (16.7%) | 1/6 (16.7%) | 5/27 (18.5%) | 7/47 (14.9%) | 0.983 |
LN at Celiac trunk | 0/6 | 0/3 | 1/19 (5.3%) | 2/24 (8.3%) | 0.837 |
LN along hepatic artery | 0/3 | 0/1 | 3/19 (15.8%) | 1/27 (3.7%) | 0.459 |
LN along splenic artery | 0/2 | 1/3 (33.3%) | 2/22 (9.1%) | 1/23 (4.3%) | 0.356 |
LN at splenic hilum | – | – | 3/17 (17.6%) | 0/9 | 0.262 |