Evaluation of the tumor before ESD
1) Histological diagnosis by forceps biopsy: Well/Moderately differentiated adenocarcinoma
2) Location: LC side of the antrum
3) Size of the lesion:  18 x 15 mm  
4) Shape: IIc
5) Ulcer: No
6) Fibrosis: No (³»½Ã°æ ¼Ò°ß ÀÇ°Å)
7) Depth of invasion: mucosa (³»½Ã°æ ¼Ò°ß ÀÇ°Å)
8) Other findings: atrophic and metaplastic background mucosa (³»½Ã°æ ¼Ò°ß ÀÇ°Å)
9) Clinical staging: cT1acN0cM0