Retrospective Study
Copyright ©The Author(s) 2021.
World J Gastrointest Oncol. Sep 15, 2021; 13(9): 1184-1195
Published online Sep 15, 2021. doi: 10.4251/wjgo.v13.i9.1184
Table 1 Basic characteristics according to anatomical location using the modified Lauren classification
Variable
Distal non-diffuse type
Proximal non-diffuse type
Diffuse type
Gender (%)
Male416 (63.6)324 (70.0)848 (53.0)
Female238 (36.4)139 (30.0)753 (47.0)
Age (%)
< 60 yr200 (30.6)167 (36.1)850 (53.1)
≥ 60 yr454 (69.4)296 (63.9)751 (46.9)
Tumor size (%)
< 4.0 cm318 (48.6)218 (47.1)664 (41.5)
≥ 4.0 cm310 (47.4)221 (47.7)771 (48.2)
Unknown26 (4.0)24 (5.2)166 (10.4)
Retrieved lymph nodes (%)
Adequate (n ≥ 16) 326 (49.8)261 (56.4)831 (51.9)
Inadequate (n < 16)328 (50.2)202 (43.6)770 (48.1)
AJCC 8th pT stage (%)
pT1211 (32.3)123 (26.6)356 (22.2)
pT287 (13.3)69 (14.9)173 (10.8)
pT3207 (31.7)149 (32.2)464 (29.0)
pT4a101 (15.4)89 (19.2)480 (30.0)
pT4b48 (7.3)33 (7.1)128 (8.0)
AJCC 8th pN stage (%)
pN0302 (46.2)197 (42.5)532 (33.2)
pN1117 (17.9)79 (17.1)260 (16.2)
pN2115 (17.6)90 (19.4)302 (18.9)
pN3a95 (14.5)70 (15.1)347 (21.7)
pN3b25 (3.8)27 (5.8)160 (10.0)
Differentiation grade (%)
Well differentiation66 (10.1)26 (5.6)3 (0.2)
Moderate differentiation269 (41.1)170 (36.7)44 (2.7)
Poor differentiation311 (47.6)259 (55.9)1484 (92.7)
Undifferentiation8 (1.2)8 (1.7)70 (4.4)