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Table 1 Clinicopathologic characteristics of patients with adenocarcinoma of the EGJ and the upper third of the stomach

From: Mediastinal lymph node dissection and distal esophagectomy is not essential in early esophagogastric junction adenocarcinoma

Variable Value
Age in years, median (range) 60 (21–85)
Sex
 Male 488 (72.6%)
 Female 184 (27.4%)
Tumor location
 Siewert 2 90 (13.4%)
 Siewert 3 211 (31.4%)
 Upper third 371 (55.2%)
Tumor size in cm, median (range) 4.7 (0.2–20.5)
Gross appearance
 I 13 (1.9%)
 IIa/IIb/IIc 262 (39.0%)
 III 6 (0.9%)
 B1 18 (2.7%)
 B2/B3 373 (55.5%)
Differentiation
 Differentiated 270 (40.2%)
 Undifferentiated 402 (59.8%)
Lauren’s classification
 Intestinal 333 (49.6%)
 Diffuse 265 (39.4%)
 Mixed 72 (10.7%)
 Not evaluated 2 (0.3%)
T stage
 T1 277 (41.2%)
 T2 100 (14.9%)
 T3 201 (29.9%)
 T4a 80 (11.9%)
 T4b 14 (2.1%)
Number of harvested lymph nodes, median (range) 28 (15–82)
N stage
 0 424 (63.0%)
 1 98 (14.6%)
 2 77 (11.5%)
 3 73 (10.9%)
TNM Stage
 1 338 (50.3%)
 2 179 (26.6%)
 3 155 (23.1%)
Proximal resection margin, median (cm) 2.0 (0.1–10.5)
Lymphovascular invasion
 Identified 207 (30.8%)
 Not identified 464 (69.1%)
 Not evaluated 1 (0.1%)
Perineural invasion
 Identified 175 (26.0%)
 Not identified 483 (71.9%)
 Not evaluated 14 (2.1%)
Adjuvant chemotherapy
 Yes 312 (46.4%)
 No 360 (53.6%)