Table 1

Clinicopathologic findings of 57 patients

n = 57
Mean age59.8 (33–80)
Male:female35:22
Tumor location in stomach
 Upper third11
 Middle third36
 Lower third10
Macroscopic shape*
 IIa3
 IIb2
 IIa+IIc5
 IIc41
 IIc+III6
Invasion depth
 Mucosa27
 Tela submucosa24
 Tunica muscularis propria3
 Tela subserosa2
 Serosa exposed1
Histology
 Differentiated33
 Undifferentiated24
  • NOTE. H&E staining showed no histologically positive lymph nodes in 57 patients.

  • * IIa: flat elevated type, IIb: flat type, IIc: flat ulcerative type, III: ulcerative type.