Table 2: Pathologic characteristics of operated gastric tumors.

Parameter<50 years
(20)
≥50 years
(112)

Mean tumor diameter (cm) ± SD 0.461
Median 44
Tumor site
 Upper third4 (20.0%) 23 (20.5%)0.806
 Middle third4 (20.0%)27 (24.1%)
 Lower third12 (60.0%)60 (53.6%)
 Whole stomach 0 (0%)2 (1.8%)
Depth of cancer invasion
 Early 4 (20.0%)15 (13.4%)0.667
 Advanced 16 (80.0%)97 (86.6%)
Histological type (Lauren’s criteria)
 Intestinal 6 (30.0%)65 (58.0%)0.038
 Diffuse14 (70.0%)47 (42.0%)
Lymph node metastasis
 Positive 13 (65.0%)63 (56.2%)0.629
 Negative 7 (35.0%)49 (43.8%)
Stage TNM 6th edition
 I7 (35.0%)38 (34.9%)0.871
 II2 (10.0%)31 (27.7%)
 III6 (30.0%)31 (27.7%)
 IV 5 (25.0%)12 (10.7%)

SD: standard deviation; TNM: tumor node metastasis; values are bilateral.